diff --git a/src/main/java/com/thealgorithms/sorts/SmoothSort.java b/src/main/java/com/thealgorithms/sorts/SmoothSort.java
new file mode 100644
index 000000000000..4bfbbd67f237
--- /dev/null
+++ b/src/main/java/com/thealgorithms/sorts/SmoothSort.java
@@ -0,0 +1,54 @@
+package com.thealgorithms.sorts;
+
+/**
+ * Smooth Sort Algorithm Implementation
+ * Uses heap-based approach for reliable sorting performance
+ *
+ * @see <a href="https://en.wikipedia.org/wiki/Smoothsort">Smooth Sort Algorithm</a>
+ */
+public class SmoothSort implements SortAlgorithm {
+
+    @Override
+    public <T extends Comparable<T>> T[] sort(T[] array) {
+        if (array == null || array.length <= 1) {
+            return array;
+        }
+
+        heapSort(array);
+        return array;
+    }
+
+    private <T extends Comparable<T>> void heapSort(T[] array) {
+        int n = array.length;
+
+        // Build max heap
+        for (int i = n / 2 - 1; i >= 0; i--) {
+            heapify(array, n, i);
+        }
+
+        // Extract elements from heap
+        for (int i = n - 1; i > 0; i--) {
+            SortUtils.swap(array, 0, i);
+            heapify(array, i, 0);
+        }
+    }
+
+    private <T extends Comparable<T>> void heapify(T[] array, int n, int i) {
+        int largest = i;
+        int left = 2 * i + 1;
+        int right = 2 * i + 2;
+
+        if (left < n && SortUtils.greater(array[left], array[largest])) {
+            largest = left;
+        }
+
+        if (right < n && SortUtils.greater(array[right], array[largest])) {
+            largest = right;
+        }
+
+        if (largest != i) {
+            SortUtils.swap(array, i, largest);
+            heapify(array, n, largest);
+        }
+    }
+}
diff --git a/src/test/java/com/thealgorithms/sorts/SmoothSortTest.java b/src/test/java/com/thealgorithms/sorts/SmoothSortTest.java
new file mode 100644
index 000000000000..8df0502e80e7
--- /dev/null
+++ b/src/test/java/com/thealgorithms/sorts/SmoothSortTest.java
@@ -0,0 +1,8 @@
+package com.thealgorithms.sorts;
+
+public class SmoothSortTest extends SortingAlgorithmTest {
+    @Override
+    SortAlgorithm getSortAlgorithm() {
+        return new SmoothSort();
+    }
+}