diff --git a/src/api/spots.ts b/src/api/spots.ts
index 0892905..56f9316 100644
--- a/src/api/spots.ts
+++ b/src/api/spots.ts
@@ -40,8 +40,11 @@ export const spotsApi = {
   list: () => http.get<Spot[]>('/api/spots'),
   mates: (spotId: number, userId?: number) =>
     http.get<Mate[]>(`/api/spots/${spotId}/mates${userId ? `?userId=${userId}` : ''}`),
-  aiMates: (spotId: number, dogId: number) =>
-    http.get<AiMate[]>(`/api/spots/${spotId}/ai-mates?dogId=${dogId}`),
+  aiMates: (spotId: number, dogId: number, neutered?: boolean) =>
+    http.get<AiMate[]>(
+      `/api/spots/${spotId}/ai-mates?dogId=${dogId}` +
+        (neutered != null ? `&neutered=${neutered}` : ''),
+    ),
   frequentBreeds: (spotId: number) =>
     http.get<{ breeds: string[] }>(`/api/spots/${spotId}/frequent-breeds`),
   reviews: (spotId: number) => http.get<Review[]>(`/api/spots/${spotId}/reviews`),
diff --git a/src/pages/HomePage.vue b/src/pages/HomePage.vue
index 3a70139..3bb1f54 100644
--- a/src/pages/HomePage.vue
+++ b/src/pages/HomePage.vue
@@ -40,6 +40,26 @@
         </span>
         <span class="text-caption text-grey-5 q-ml-xs">· AI 분석으로 실제와 다를 수 있어요</span>
       </div>
+      <!-- 찾기 옵션: 중성화 조건 -->
+      <div class="row items-center q-mb-sm">
+        <span class="text-caption text-grey-7 q-mr-sm">중성화</span>
+        <q-btn-toggle
+          v-model="aiNeutered"
+          dense
+          unelevated
+          no-caps
+          size="sm"
+          toggle-color="primary"
+          color="grey-3"
+          text-color="grey-8"
+          :options="[
+            { label: '상관없음', value: 'any' },
+            { label: '완료', value: 'yes' },
+            { label: '안 함', value: 'no' },
+          ]"
+          @update:model-value="loadAiMates"
+        />
+      </div>
       <div v-if="aiLoading" class="row items-center q-gutter-sm text-grey-6">
         <q-spinner-dots size="24px" color="primary" />
         <span class="text-caption">친구 찾는 중…</span>
@@ -153,6 +173,7 @@ const loadError = ref(false)
 const aiMates = ref<AiMate[]>([])
 const aiLoading = ref(false)
 const aiTried = ref(false)
+const aiNeutered = ref<'any' | 'yes' | 'no'>('any') // AI 찾기 옵션: 중성화 조건
 
 onMounted(load)
 
@@ -218,8 +239,9 @@ async function loadAiMates() {
   if (!currentSpot.value || dogs.currentDogId == null) return
   aiLoading.value = true
   aiTried.value = true
+  const neutered = aiNeutered.value === 'yes' ? true : aiNeutered.value === 'no' ? false : undefined
   try {
-    aiMates.value = await spotsApi.aiMates(currentSpot.value.id, dogs.currentDogId)
+    aiMates.value = await spotsApi.aiMates(currentSpot.value.id, dogs.currentDogId, neutered)
   } catch {
     aiMates.value = []
   } finally {
diff --git a/src/pages/ProfilePage.vue b/src/pages/ProfilePage.vue
index 3056ab4..8b501a5 100644
--- a/src/pages/ProfilePage.vue
+++ b/src/pages/ProfilePage.vue
@@ -102,6 +102,22 @@
             emit-value
             map-options
           />
+          <div>
+            <div class="text-caption text-grey-7 q-mb-xs">중성화 여부 <span class="text-negative">*</span></div>
+            <q-btn-toggle
+              v-model="form.neutered"
+              spread
+              unelevated
+              no-caps
+              toggle-color="primary"
+              color="grey-3"
+              text-color="grey-8"
+              :options="[
+                { label: '중성화 완료', value: true },
+                { label: '안 함', value: false },
+              ]"
+            />
+          </div>
         </q-card-section>
         <q-card-actions align="right">
           <q-btn flat label="취소" v-close-popup />
@@ -110,7 +126,7 @@
             unelevated
             label="등록"
             :loading="creating"
-            :disable="!form.name"
+            :disable="!form.name || form.neutered === null"
             @click="onCreate"
           />
         </q-card-actions>
@@ -141,10 +157,16 @@ const sizeOptions = [
   { label: '중형견', value: 'MEDIUM' },
   { label: '대형견', value: 'LARGE' },
 ]
-const form = reactive<{ name: string; breed: string; size: string | null }>({
+const form = reactive<{
+  name: string
+  breed: string
+  size: string | null
+  neutered: boolean | null
+}>({
   name: '',
   breed: '',
   size: null,
+  neutered: null,
 })
 
 onMounted(async () => {
@@ -208,13 +230,20 @@ function openCreate() {
   form.name = ''
   form.breed = ''
   form.size = null
+  form.neutered = null
   createOpen.value = true
 }
 
 async function onCreate() {
+  if (form.neutered === null) return
   creating.value = true
   try {
-    await dogs.createDog({ name: form.name, breed: form.breed || null, size: form.size })
+    await dogs.createDog({
+      name: form.name,
+      breed: form.breed || null,
+      size: form.size,
+      neutered: form.neutered,
+    })
     createOpen.value = false
     $q.notify({ color: 'primary', message: `${form.name} 등록 완료!`, icon: 'pets', position: 'top' })
   } catch (e) {