diff --git a/docs/features/rgb_matrix.md b/docs/features/rgb_matrix.md
index 0e53ce9c35a..a29a1cfa344 100644
--- a/docs/features/rgb_matrix.md
+++ b/docs/features/rgb_matrix.md
@@ -152,6 +152,7 @@ enum rgb_matrix_effects {
     RGB_MATRIX_STARLIGHT,           // LEDs turn on and off at random at varying brightness, maintaining user set color
     RGB_MATRIX_STARLIGHT_DUAL_HUE,  // LEDs turn on and off at random at varying brightness, modifies user set hue by +- 30
     RGB_MATRIX_STARLIGHT_DUAL_SAT,  // LEDs turn on and off at random at varying brightness, modifies user set saturation by +- 30
+    RGB_MATRIX_STARLIGHT_SMOOTH,    // LEDs randomly and smoothly increase and decrease in brightness to create a starlight effect, speed adjustable
     RGB_MATRIX_RIVERFLOW,           // Modification to breathing animation, offset's animation depending on key location to simulate a river flowing
     RGB_MATRIX_EFFECT_MAX
 };
@@ -195,6 +196,7 @@ You can enable a single effect by defining `ENABLE_[EFFECT_NAME]` in your `confi
 |`#define ENABLE_RGB_MATRIX_STARLIGHT`                 |Enables `RGB_MATRIX_STARLIGHT`                |
 |`#define ENABLE_RGB_MATRIX_STARLIGHT_DUAL_HUE`        |Enables `RGB_MATRIX_STARLIGHT_DUAL_HUE`       |
 |`#define ENABLE_RGB_MATRIX_STARLIGHT_DUAL_SAT`        |Enables `RGB_MATRIX_STARLIGHT_DUAL_SAT`       |
+|`#define ENABLE_RGB_MATRIX_STARLIGHT_SMOOTH`          |Enables `RGB_MATRIX_STARLIGHT_SMOOTH`         |
 |`#define ENABLE_RGB_MATRIX_RIVERFLOW`                 |Enables `RGB_MATRIX_RIVERFLOW`                |
 
 |Framebuffer Defines                                   |Description                                   |
diff --git a/quantum/rgb_matrix/animations/rgb_matrix_effects.inc b/quantum/rgb_matrix/animations/rgb_matrix_effects.inc
index a02238a2d1a..3f3499fa94e 100644
--- a/quantum/rgb_matrix/animations/rgb_matrix_effects.inc
+++ b/quantum/rgb_matrix/animations/rgb_matrix_effects.inc
@@ -42,4 +42,5 @@
 #include "starlight_anim.h"
 #include "starlight_dual_sat_anim.h"
 #include "starlight_dual_hue_anim.h"
+#include "starlight_smooth_anim.h"
 #include "riverflow_anim.h"
\ No newline at end of file
diff --git a/quantum/rgb_matrix/animations/starlight_smooth_anim.h b/quantum/rgb_matrix/animations/starlight_smooth_anim.h
new file mode 100644
index 00000000000..45aa9e04514
--- /dev/null
+++ b/quantum/rgb_matrix/animations/starlight_smooth_anim.h
@@ -0,0 +1,31 @@
+#ifdef ENABLE_RGB_MATRIX_STARLIGHT_SMOOTH
+RGB_MATRIX_EFFECT(STARLIGHT_SMOOTH)
+#    ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
+
+bool STARLIGHT_SMOOTH(effect_params_t* params) {
+    RGB_MATRIX_USE_LIMITS(led_min, led_max);
+
+    static uint16_t time_offsets[RGB_MATRIX_LED_COUNT] = {0};
+
+    if (params->init) {
+        for (uint8_t i = 0; i < RGB_MATRIX_LED_COUNT; i++) {
+            time_offsets[i] = random16_max(65000);
+        }
+    }
+
+    for (uint8_t i = led_min; i < led_max; i++) {
+        RGB_MATRIX_TEST_LED_FLAGS();
+
+        uint16_t time = scale16by8((g_rgb_timer / 2) + time_offsets[i], rgb_matrix_config.speed / 16);
+        HSV      hsv  = rgb_matrix_config.hsv;
+        hsv.v         = scale8(abs8(sin8(time) - 128) * 2, hsv.v);
+        RGB rgb       = rgb_matrix_hsv_to_rgb(hsv);
+
+        rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
+    }
+
+    return rgb_matrix_check_finished_leds(led_max);
+}
+
+#    endif // RGB_MATRIX_CUSTOM_EFFECT_IMPLS
+#endif     // ENABLE_RGB_MATRIX_STARLIGHT_SMOOTH