diff --git a/libs/MobileSync/src/com/salesforce/androidsdk/mobilesync/target/ParentChildrenSyncTargetHelper.kt b/libs/MobileSync/src/com/salesforce/androidsdk/mobilesync/target/ParentChildrenSyncTargetHelper.kt
index f328db8d83..a25f91f70b 100644
--- a/libs/MobileSync/src/com/salesforce/androidsdk/mobilesync/target/ParentChildrenSyncTargetHelper.kt
+++ b/libs/MobileSync/src/com/salesforce/androidsdk/mobilesync/target/ParentChildrenSyncTargetHelper.kt
@@ -200,7 +200,7 @@ object ParentChildrenSyncTargetHelper {
             childrenInfo.soupName, childrenInfo.parentIdFieldName,
             parentInfo.soupName, parentInfo.idFieldName,
             parentInfo.soupName, parentInfo.idFieldName,
-            "'${join("', '", parentIds)}'"
+            "'${join("', '", parentIds.map { it.replace("'", "''") })}'"
         )
         return QuerySpec.buildSmartQuerySpec(smartSql, Int.MAX_VALUE)
     }
diff --git a/libs/MobileSync/src/com/salesforce/androidsdk/mobilesync/target/SyncTarget.kt b/libs/MobileSync/src/com/salesforce/androidsdk/mobilesync/target/SyncTarget.kt
index ab31034d93..1c0be7ad2f 100644
--- a/libs/MobileSync/src/com/salesforce/androidsdk/mobilesync/target/SyncTarget.kt
+++ b/libs/MobileSync/src/com/salesforce/androidsdk/mobilesync/target/SyncTarget.kt
@@ -274,9 +274,10 @@ abstract class SyncTarget @JvmOverloads constructor(
         idField: String?
     ) {
         if (ids.isNotEmpty()) {
+            val escapedIds = ids.map { it.replace("'", "''") }
             val smartSql =
                 "SELECT {$soupName:${SmartStore.SOUP_ENTRY_ID}} FROM {$soupName} WHERE {$soupName:$idField} IN ('${
-                    join(/* delimiter = */ "', '", /* tokens = */ ids)
+                    join(/* delimiter = */ "', '", /* tokens = */ escapedIds)
                 }')"
             val querySpec = QuerySpec.buildSmartQuerySpec(smartSql, Int.MAX_VALUE)
             syncManager.smartStore.deleteByQuery(soupName, querySpec)
diff --git a/libs/test/MobileSyncTest/src/com/salesforce/androidsdk/mobilesync/target/ParentChildrenSyncTargetHelperTest.kt b/libs/test/MobileSyncTest/src/com/salesforce/androidsdk/mobilesync/target/ParentChildrenSyncTargetHelperTest.kt
new file mode 100644
index 0000000000..bad03bbc35
--- /dev/null
+++ b/libs/test/MobileSyncTest/src/com/salesforce/androidsdk/mobilesync/target/ParentChildrenSyncTargetHelperTest.kt
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2025-present, salesforce.com, inc.
+ * All rights reserved.
+ * Redistribution and use of this software in source and binary forms, with or
+ * without modification, are permitted provided that the following conditions
+ * are met:
+ * - Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * - Neither the name of salesforce.com, inc. nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission of salesforce.com, inc.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.salesforce.androidsdk.mobilesync.target
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.salesforce.androidsdk.mobilesync.util.ChildrenInfo
+import com.salesforce.androidsdk.mobilesync.util.ParentInfo
+import org.junit.Assert.assertTrue
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * Tests for single-quote escaping in ParentChildrenSyncTargetHelper.getQueryForChildren.
+ */
+@RunWith(AndroidJUnit4::class)
+@SmallTest
+class ParentChildrenSyncTargetHelperTest {
+
+    @Test
+    fun testGetQueryForChildren_whenParentIdContainsSingleQuote_escapesCorrectly() {
+        val parentInfo = ParentInfo("Account", "accounts")
+        val childrenInfo = ChildrenInfo("Contact", "Contacts", "contacts", "AccountId")
+
+        val querySpec = ParentChildrenSyncTargetHelper.getQueryForChildren(
+            parentInfo,
+            childrenInfo,
+            "Id",
+            "001'Test",
+            "001Normal"
+        )
+
+        assertTrue(
+            "Expected single quote in '001'Test' to be doubled to '001''Test' in smartSql, but got: ${querySpec.smartSql}",
+            querySpec.smartSql.contains("IN ('001''Test', '001Normal')")
+        )
+    }
+}
diff --git a/libs/test/MobileSyncTest/src/com/salesforce/androidsdk/mobilesync/target/SyncTargetSingleQuoteTest.kt b/libs/test/MobileSyncTest/src/com/salesforce/androidsdk/mobilesync/target/SyncTargetSingleQuoteTest.kt
new file mode 100644
index 0000000000..e34f8b6ee0
--- /dev/null
+++ b/libs/test/MobileSyncTest/src/com/salesforce/androidsdk/mobilesync/target/SyncTargetSingleQuoteTest.kt
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2025-present, salesforce.com, inc.
+ * All rights reserved.
+ * Redistribution and use of this software in source and binary forms, with or
+ * without modification, are permitted provided that the following conditions
+ * are met:
+ * - Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * - Neither the name of salesforce.com, inc. nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission of salesforce.com, inc.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.salesforce.androidsdk.mobilesync.target
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.LargeTest
+import com.salesforce.androidsdk.mobilesync.manager.SyncManager
+import com.salesforce.androidsdk.mobilesync.manager.SyncManagerTestCase
+import com.salesforce.androidsdk.mobilesync.util.Constants
+import com.salesforce.androidsdk.smartstore.store.QuerySpec
+import org.json.JSONObject
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * Regression tests for single-quote escaping in SyncTarget.deleteRecordsFromLocalStore.
+ *
+ * Verifies that record IDs containing single quotes are correctly escaped when building
+ * the SmartSQL IN-clause, so that only the targeted record is deleted.
+ */
+@RunWith(AndroidJUnit4::class)
+@LargeTest
+class SyncTargetSingleQuoteTest : SyncManagerTestCase() {
+
+    /**
+     * Test subclass that exposes the protected deleteRecordsFromLocalStore method.
+     */
+    private class TestTarget : SoqlSyncDownTarget("SELECT Id FROM Account") {
+        fun callDeleteRecords(
+            syncManager: SyncManager,
+            soupName: String,
+            ids: Set<String>,
+            idField: String?
+        ) {
+            deleteRecordsFromLocalStore(syncManager, soupName, ids, idField)
+        }
+    }
+
+    @Before
+    @Throws(Exception::class)
+    override fun setUp() {
+        super.setUp()
+        createAccountsSoup()
+    }
+
+    @After
+    @Throws(Exception::class)
+    override fun tearDown() {
+        dropAccountsSoup()
+        super.tearDown()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testDeleteRecordsFromLocalStore_whenIdContainsSingleQuote_deletesOnlyTargetedRecord() {
+        // Upsert two records: one whose ID contains a single quote and one clean ID
+        val quoteId = "001'Quote"
+        val normalId = "001Normal"
+
+        for (id in listOf(quoteId, normalId)) {
+            val record = JSONObject().apply {
+                put(Constants.ID, id)
+                put(Constants.NAME, "Test $id")
+                put(SyncTarget.LOCAL, false)
+                put(SyncTarget.LOCALLY_CREATED, false)
+                put(SyncTarget.LOCALLY_DELETED, false)
+                put(SyncTarget.LOCALLY_UPDATED, false)
+            }
+            smartStore.upsert(ACCOUNTS_SOUP, record, Constants.ID, true)
+        }
+
+        // Verify both records are present
+        val allQuery = QuerySpec.buildAllQuerySpec(ACCOUNTS_SOUP, Constants.ID, QuerySpec.Order.ascending, 10)
+        assertEquals("Should have 2 records before delete", 2, smartStore.countQuery(allQuery))
+
+        // Delete only the record with the single-quote ID
+        TestTarget().callDeleteRecords(syncManager, ACCOUNTS_SOUP, setOf(quoteId), Constants.ID)
+
+        // Verify only the normal record remains
+        assertEquals("Should have 1 record after delete", 1, smartStore.countQuery(allQuery))
+
+        val remaining = smartStore.query(allQuery, 0)
+        assertEquals("Remaining record should be normalId", normalId, remaining.getJSONObject(0).getString(Constants.ID))
+    }
+}