diff --git a/thaw/src/combobox/combobox.css b/thaw/src/combobox/combobox.css
index 1864f56..fbea8bf 100644
--- a/thaw/src/combobox/combobox.css
+++ b/thaw/src/combobox/combobox.css
@@ -78,6 +78,11 @@
     outline-style: none;
 }
 
+.thaw-combobox__input::placeholder {
+    color: var(--colorNeutralForeground4);
+    opacity: 1;
+}
+
 .thaw-combobox__clear-icon,
 .thaw-combobox__expand-icon {
     display: block;
@@ -88,6 +93,28 @@
     font-size: 20px;
 }
 
+.thaw-combobox.thaw-combobox--disabled {
+    border-color: var(--colorNeutralStrokeDisabled);
+    border-bottom-color: var(--colorNeutralStrokeDisabled);
+    background-color: var(--colorTransparentBackground);
+    cursor: not-allowed;
+}
+
+.thaw-combobox--disabled > .thaw-combobox__input {
+    background-color: var(--colorTransparentBackground);
+    color: var(--colorNeutralForegroundDisabled);
+    cursor: not-allowed;
+}
+
+.thaw-combobox--disabled > .thaw-combobox__input::placeholder {
+    color: var(--colorNeutralForegroundDisabled);
+}
+
+.thaw-combobox--disabled > .thaw-combobox__clear-icon,
+.thaw-combobox--disabled > .thaw-combobox__expand-icon {
+    cursor: not-allowed;
+}
+
 .thaw-combobox__listbox {
     row-gap: var(--spacingHorizontalXXS);
     display: flex;
@@ -181,3 +208,13 @@
     color: var(--colorNeutralForegroundInverted);
     background-color: var(--colorCompoundBrandBackground);
 }
+
+.thaw-combobox-option--disabled {
+    color: var(--colorNeutralForegroundDisabled);
+}
+
+.thaw-combobox-option--disabled:active,
+.thaw-combobox-option--disabled:hover {
+    background-color: var(--colorTransparentBackground);
+    color: var(--colorNeutralForegroundDisabled);
+}
diff --git a/thaw/src/combobox/combobox.rs b/thaw/src/combobox/combobox.rs
index 6dd9811..fe2264a 100644
--- a/thaw/src/combobox/combobox.rs
+++ b/thaw/src/combobox/combobox.rs
@@ -10,8 +10,11 @@ pub fn Combobox(
     #[prop(optional, into)] class: MaybeProp<String>,
     #[prop(optional, into)] value: Model<String>,
     #[prop(optional, into)] selected_options: VecModel<String>,
+    #[prop(optional, into)] disabled: MaybeSignal<bool>,
+    #[prop(optional, into)] placeholder: MaybeProp<String>,
     /// If set, the combobox will show an icon to clear the current value.
-    #[prop(optional)] clearable: bool,
+    #[prop(optional)]
+    clearable: bool,
     children: Children,
 ) -> impl IntoView {
     mount_style("combobox", include_str!("./combobox.css"));
@@ -19,7 +22,7 @@ pub fn Combobox(
     let input_ref = NodeRef::<html::Input>::new();
     let listbox_ref = NodeRef::<html::Div>::new();
     let is_show_listbox = RwSignal::new(false);
-    let options = StoredValue::new(HashMap::<String, (String, String)>::new());
+    let options = StoredValue::new(HashMap::<String, (String, String, MaybeSignal<bool>)>::new());
 
     let clear_icon_ref = NodeRef::<html::Span>::new();
     let is_show_clear_icon = Memo::new(move |_| {
@@ -40,6 +43,9 @@ pub fn Combobox(
                 return;
             };
             let handler = add_event_listener(clear_icon_el.into(), ev::click, move |e| {
+                if disabled.get_untracked() {
+                    return;
+                }
                 e.stop_propagation();
                 selected_options.set(vec![]);
             });
@@ -138,7 +144,10 @@ pub fn Combobox(
             &active_descendant_controller,
             move |option| {
                 combobox_injection.options.with_value(|options| {
-                    if let Some((value, text)) = options.get(&option.id()) {
+                    if let Some((value, text, disabled)) = options.get(&option.id()) {
+                        if disabled.get_untracked() {
+                            return;
+                        }
                         combobox_injection.select_option(value, text);
                     }
                 });
@@ -149,7 +158,11 @@ pub fn Combobox(
     view! {
         <Binder target_ref=trigger_ref>
             <div
-                class=class_list!["thaw-combobox", class]
+                class=class_list![
+                    "thaw-combobox",
+                    ("thaw-combobox--disabled", move || disabled.get()),
+                    class
+                ]
                 node_ref=trigger_ref
             >
                 <input
@@ -160,6 +173,8 @@ pub fn Combobox(
                     prop:value=move || {
                         value.get()
                     }
+                    placeholder=move || placeholder.get()
+                    disabled=move || disabled.get()
                     node_ref=input_ref
                     on:input=on_input
                     on:blur=on_blur
@@ -187,12 +202,16 @@ pub fn Combobox(
                     }
                 }
                 <span
-                    aria-expanded="true"
+                    aria-disabled=move || if disabled.get() { "true" } else { "" }
+                    aria-expanded=move || is_show_listbox.get().to_string()
                     role="button"
                     aria-label="Open"
                     class="thaw-combobox__expand-icon"
                     style=move || is_show_clear_icon.get().then(|| "display: none").unwrap_or_default()
                     on:click=move |_| {
+                        if disabled.get_untracked() {
+                            return;
+                        }
                         is_show_listbox.update(|show| *show = !*show);
                         if let Some(el) = input_ref.get_untracked() {
                             let _ = el.focus();
@@ -225,7 +244,7 @@ pub fn Combobox(
 pub(crate) struct ComboboxInjection {
     value: Model<String>,
     selected_options: VecModel<String>,
-    options: StoredValue<HashMap<String, (String, String)>>,
+    options: StoredValue<HashMap<String, (String, String, MaybeSignal<bool>)>>,
     is_show_listbox: RwSignal<bool>,
     pub multiselect: bool,
 }
@@ -235,7 +254,7 @@ impl ComboboxInjection {
         expect_context()
     }
 
-    pub fn insert_option(&self, id: String, value: (String, String)) {
+    pub fn insert_option(&self, id: String, value: (String, String, MaybeSignal<bool>)) {
         self.options
             .update_value(|options| options.insert(id, value));
     }
diff --git a/thaw/src/combobox/combobox_option.rs b/thaw/src/combobox/combobox_option.rs
index 923ed04..2c19016 100644
--- a/thaw/src/combobox/combobox_option.rs
+++ b/thaw/src/combobox/combobox_option.rs
@@ -7,10 +7,16 @@ use thaw_utils::class_list;
 #[component]
 pub fn ComboboxOption(
     #[prop(optional, into)] class: MaybeProp<String>,
+    /// Sets an option to the disabled state. Disabled options cannot be selected,
+    /// but are still keyboard navigable.
+    #[prop(optional, into)]
+    disabled: MaybeSignal<bool>,
     /// Defines a unique identifier for the option. Defaults to `text` if not provided.
-    #[prop(optional, into)] value: Option<String>,
+    #[prop(optional, into)]
+    value: Option<String>,
     /// An optional override the string value of the Option's display text, defaulting to the Option's child content.
-    #[prop(into)] text: String,
+    #[prop(into)]
+    text: String,
     #[prop(optional)] children: Option<Children>,
 ) -> impl IntoView {
     let combobox = ComboboxInjection::expect_context();
@@ -21,6 +27,9 @@ pub fn ComboboxOption(
     let id = uuid::Uuid::new_v4().to_string();
 
     let on_click = move |_| {
+        if disabled.get_untracked() {
+            return;
+        }
         text.with_value(|text| {
             value.with_value(|value| {
                 combobox.select_option(value, text);
@@ -29,7 +38,7 @@ pub fn ComboboxOption(
     };
 
     {
-        combobox.insert_option(id.clone(), (value.get_value(), text.get_value()));
+        combobox.insert_option(id.clone(), (value.get_value(), text.get_value(), disabled));
         let id = id.clone();
         listbox.trigger();
         on_cleanup(move || {
@@ -41,11 +50,13 @@ pub fn ComboboxOption(
     view! {
         <div
             role="option"
-            aria-selected=move || if is_selected.get() { "true" } else { "false" }
+            aria-disabled=move || if disabled.get() { "true" } else { "" }
+            aria-selected=move || is_selected.get().to_string()
             id=id
             class=class_list![
                 "thaw-combobox-option",
                 ("thaw-combobox-option--selected", move || is_selected.get()),
+                ("thaw-combobox-option--disabled", move || disabled.get()),
                 class
             ]
             on:click=on_click
diff --git a/thaw/src/combobox/docs/mod.md b/thaw/src/combobox/docs/mod.md
index 0374ab0..3ee27ea 100644
--- a/thaw/src/combobox/docs/mod.md
+++ b/thaw/src/combobox/docs/mod.md
@@ -4,8 +4,8 @@
 let selected_options = RwSignal::new(None::<String>);
 
 view! {
-    <Combobox selected_options>
-        <ComboboxOption value="cat" text="Car" />
+    <Combobox selected_options placeholder="Select an animal">
+        <ComboboxOption value="cat" text="Cat" disabled=true/>
         <ComboboxOption value="dog" text="Dog" />
     </Combobox>
 }
@@ -18,7 +18,7 @@ let selected_options = RwSignal::new(vec![]);
 
 view! {
     <Combobox selected_options clearable=true>
-        <ComboboxOption value="cat" text="Car" />
+        <ComboboxOption value="cat" text="Cat" disabled=true/>
         <ComboboxOption value="dog" text="Dog" />
     </Combobox>
 }
@@ -31,7 +31,7 @@ let selected_options = RwSignal::new(vec![]);
 
 view! {
     <Combobox selected_options>
-        <ComboboxOption value="cat" text="Car" />
+        <ComboboxOption value="cat" text="Cat" disabled=true/>
         <ComboboxOption value="dog" text="Dog" />
     </Combobox>
 }
@@ -49,21 +49,28 @@ view! {
         <ComboboxOptionGroup label="Land">
             {
                 land.into_iter().map(|option| view!{
-                    <ComboboxOption value={option.clone()}>
-                        {option}
-                    </ComboboxOption>
+                    <ComboboxOption text={option} />
                 }).collect_view()
             }
         </ComboboxOptionGroup>
-        <OptionGroup label="Sea">
+        <ComboboxOptionGroup label="Sea">
             {
                 water.into_iter().map(|option| view!{
-                    <ComboboxOption value={option.clone()}>
-                        {option}
-                    </ComboboxOption>
+                    <ComboboxOption text={option} />
                 }).collect_view()
             }
-        </OptionGroup>
+        </ComboboxOptionGroup>
     </Combobox>
 }
 ```
+
+### Disabled
+
+```rust demo
+view! {
+    <Combobox disabled=true>
+        <ComboboxOption value="cat" text="Car" />
+        <ComboboxOption value="dog" text="Dog" />
+    </Combobox>
+}
+```
\ No newline at end of file