diff --git a/spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/SparkSQLProperties.java b/spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/SparkSQLProperties.java
index d6c16bb0e238..f761bab3b4fc 100644
--- a/spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/SparkSQLProperties.java
+++ b/spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/SparkSQLProperties.java
@@ -101,4 +101,7 @@ private SparkSQLProperties() {}
   // Controls whether to report available column statistics to Spark for query optimization.
   public static final String REPORT_COLUMN_STATS = "spark.sql.iceberg.report-column-stats";
   public static final boolean REPORT_COLUMN_STATS_DEFAULT = true;
+
+  // Prefix for custom snapshot properties
+  public static final String SNAPSHOT_PROPERTY_PREFIX = "spark.sql.iceberg.snapshot-property.";
 }
diff --git a/spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/SparkWriteConf.java b/spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/SparkWriteConf.java
index b3e8af5fe056..11f910c9f1c4 100644
--- a/spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/SparkWriteConf.java
+++ b/spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/SparkWriteConf.java
@@ -50,6 +50,7 @@
 import org.apache.iceberg.relocated.com.google.common.annotations.VisibleForTesting;
 import org.apache.iceberg.relocated.com.google.common.base.Preconditions;
 import org.apache.iceberg.relocated.com.google.common.collect.Maps;
+import org.apache.iceberg.util.PropertyUtil;
 import org.apache.spark.sql.RuntimeConfig;
 import org.apache.spark.sql.SparkSession;
 import org.apache.spark.sql.connector.write.RowLevelOperation.Command;
@@ -252,6 +253,12 @@ public long targetDeleteFileSize() {
   public Map<String, String> extraSnapshotMetadata() {
     Map<String, String> extraSnapshotMetadata = Maps.newHashMap();
 
+    // Add session configuration properties with SNAPSHOT_PROPERTY_PREFIX if necessary
+    extraSnapshotMetadata.putAll(
+        PropertyUtil.propertiesWithPrefix(
+            sessionConf.getAll(), SparkSQLProperties.SNAPSHOT_PROPERTY_PREFIX));
+
+    // Add write options, overriding session configuration if necessary
     writeOptions.forEach(
         (key, value) -> {
           if (key.startsWith(SnapshotSummary.EXTRA_METADATA_PREFIX)) {
diff --git a/spark/v3.5/spark/src/test/java/org/apache/iceberg/spark/TestSparkWriteConf.java b/spark/v3.5/spark/src/test/java/org/apache/iceberg/spark/TestSparkWriteConf.java
index 6041c22e2465..8656dde055d5 100644
--- a/spark/v3.5/spark/src/test/java/org/apache/iceberg/spark/TestSparkWriteConf.java
+++ b/spark/v3.5/spark/src/test/java/org/apache/iceberg/spark/TestSparkWriteConf.java
@@ -393,6 +393,37 @@ public void testSparkConfOverride() {
     }
   }
 
+  @TestTemplate
+  public void testExtraSnapshotMetadataReflectsSessionConfig() {
+    withSQLConf(
+        ImmutableMap.of("spark.sql.iceberg.snapshot-property.test-key", "session-value"),
+        () -> {
+          Table table = validationCatalog.loadTable(tableIdent);
+          SparkWriteConf writeConf = new SparkWriteConf(spark, table, ImmutableMap.of());
+
+          Map<String, String> metadata = writeConf.extraSnapshotMetadata();
+
+          assertThat(metadata).containsEntry("test-key", "session-value");
+        });
+  }
+
+  @TestTemplate
+  public void testExtraSnapshotMetadataWriteOptionsOverrideSessionConfig() {
+    withSQLConf(
+        ImmutableMap.of("spark.sql.iceberg.snapshot-property.test-key", "session-value"),
+        () -> {
+          Table table = validationCatalog.loadTable(tableIdent);
+          Map<String, String> writeOptions =
+              ImmutableMap.of("snapshot-property.test-key", "write-option-value");
+          SparkWriteConf writeConf = new SparkWriteConf(spark, table, writeOptions);
+
+          Map<String, String> metadata = writeConf.extraSnapshotMetadata();
+
+          // Assert that writeOptions take precedence over session config
+          assertThat(metadata).containsEntry("test-key", "write-option-value");
+        });
+  }
+
   @TestTemplate
   public void testDataPropsDefaultsAsDeleteProps() {
     List<List<Map<String, String>>> propertiesSuites =