diff --git a/rust/arrow/src/array/equal/mod.rs b/rust/arrow/src/array/equal/mod.rs
index 84d486d94b6..3aa30f415cc 100644
--- a/rust/arrow/src/array/equal/mod.rs
+++ b/rust/arrow/src/array/equal/mod.rs
@@ -21,7 +21,7 @@
 
 use super::{
     Array, ArrayData, BinaryOffsetSizeTrait, DecimalArray, FixedSizeBinaryArray,
-    GenericBinaryArray, GenericListArray, GenericStringArray, OffsetSizeTrait,
+    GenericBinaryArray, GenericListArray, GenericStringArray, NullArray, OffsetSizeTrait,
     PrimitiveArray, StringOffsetSizeTrait, StructArray,
 };
 
@@ -68,6 +68,12 @@ impl<T: Array> PartialEq<T> for dyn Array {
     }
 }
 
+impl PartialEq for NullArray {
+    fn eq(&self, other: &NullArray) -> bool {
+        equal(self.data().as_ref(), other.data().as_ref())
+    }
+}
+
 impl<T: ArrowPrimitiveType> PartialEq for PrimitiveArray<T> {
     fn eq(&self, other: &PrimitiveArray<T>) -> bool {
         equal(self.data().as_ref(), other.data().as_ref())