diff --git a/samples/boards/nordic/system_off/boards/nrf54l15dk_nrf54l05_cpuapp_retained_mem.overlay b/samples/boards/nordic/system_off/boards/nrf54l15dk_nrf54l05_cpuapp_retained_mem.overlay
new file mode 100644
index 000000000000..6f4a9be80f9b
--- /dev/null
+++ b/samples/boards/nordic/system_off/boards/nrf54l15dk_nrf54l05_cpuapp_retained_mem.overlay
@@ -0,0 +1,25 @@
+/ {
+	cpuapp_sram@20017000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x20017000 DT_SIZE_K(4)>;
+		zephyr,memory-region = "RetainedMem";
+		status = "okay";
+
+		retainedmem0: retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+		};
+	};
+
+	aliases {
+		retainedmemdevice = &retainedmem0;
+	};
+};
+
+&cpuapp_sram {
+	/* Shrink SRAM size to avoid overlap with retained memory region:
+	 * 96 - 4 = 92KB = 0x17000
+	 */
+	reg = <0x20000000 0x17000>;
+	ranges = <0x0 0x20000000 0x17000>;
+};
diff --git a/samples/boards/nordic/system_off/boards/nrf54l15dk_nrf54l10_cpuapp_retained_mem.overlay b/samples/boards/nordic/system_off/boards/nrf54l15dk_nrf54l10_cpuapp_retained_mem.overlay
new file mode 100644
index 000000000000..9705cf335a7f
--- /dev/null
+++ b/samples/boards/nordic/system_off/boards/nrf54l15dk_nrf54l10_cpuapp_retained_mem.overlay
@@ -0,0 +1,25 @@
+/ {
+	cpuapp_sram@2002f000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x2002f000 DT_SIZE_K(4)>;
+		zephyr,memory-region = "RetainedMem";
+		status = "okay";
+
+		retainedmem0: retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+		};
+	};
+
+	aliases {
+		retainedmemdevice = &retainedmem0;
+	};
+};
+
+&cpuapp_sram {
+	/* Shrink SRAM size to avoid overlap with retained memory region:
+	 * 192 - 4 = 188KB = 0x2f000
+	 */
+	reg = <0x20000000 0x2f000>;
+	ranges = <0x0 0x20000000 0x2f000>;
+};
diff --git a/samples/boards/nordic/system_off/sample.yaml b/samples/boards/nordic/system_off/sample.yaml
index ab6a12aeb16d..32ce78c1c9e6 100644
--- a/samples/boards/nordic/system_off/sample.yaml
+++ b/samples/boards/nordic/system_off/sample.yaml
@@ -8,6 +8,8 @@ tests:
     integration_platforms:
       - nrf52840dk/nrf52840
     platform_allow:
+      - nrf54l15dk/nrf54l05/cpuapp
+      - nrf54l15dk/nrf54l10/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf52840dk/nrf52840
       - nrf52dk/nrf52832
diff --git a/samples/subsys/settings/boards/nrf54l15dk_nrf54l05_cpuapp.conf b/samples/subsys/settings/boards/nrf54l15dk_nrf54l05_cpuapp.conf
new file mode 100644
index 000000000000..3746c13c741b
--- /dev/null
+++ b/samples/subsys/settings/boards/nrf54l15dk_nrf54l05_cpuapp.conf
@@ -0,0 +1,2 @@
+CONFIG_NVS=y
+CONFIG_SETTINGS_NVS=y
diff --git a/samples/subsys/settings/boards/nrf54l15dk_nrf54l10_cpuapp.conf b/samples/subsys/settings/boards/nrf54l15dk_nrf54l10_cpuapp.conf
new file mode 100644
index 000000000000..3746c13c741b
--- /dev/null
+++ b/samples/subsys/settings/boards/nrf54l15dk_nrf54l10_cpuapp.conf
@@ -0,0 +1,2 @@
+CONFIG_NVS=y
+CONFIG_SETTINGS_NVS=y
diff --git a/samples/subsys/settings/sample.yaml b/samples/subsys/settings/sample.yaml
index 932716da9dd2..583674651666 100644
--- a/samples/subsys/settings/sample.yaml
+++ b/samples/subsys/settings/sample.yaml
@@ -10,6 +10,8 @@ tests:
       - native_sim
       - native_sim/native/64
       - mr_canhubk3
+      - nrf54l15dk/nrf54l05/cpuapp
+      - nrf54l15dk/nrf54l10/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54h20dk/nrf54h20/cpuapp
     integration_platforms:
diff --git a/tests/drivers/flash/common/testcase.yaml b/tests/drivers/flash/common/testcase.yaml
index c6326857721d..6a3927bd0189 100644
--- a/tests/drivers/flash/common/testcase.yaml
+++ b/tests/drivers/flash/common/testcase.yaml
@@ -42,6 +42,8 @@ tests:
       - mimxrt1060_evk
   drivers.flash.common.no_explicit_erase:
     platform_allow:
+      - nrf54l15dk/nrf54l05/cpuapp
+      - nrf54l15dk/nrf54l10/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf54h20dk/nrf54h20/cpuapp
   drivers.flash.common.tfm_ns:
diff --git a/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l05_cpuapp.conf b/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l05_cpuapp.conf
new file mode 100644
index 000000000000..c15ba3ed96da
--- /dev/null
+++ b/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l05_cpuapp.conf
@@ -0,0 +1 @@
+CONFIG_POWEROFF=y
diff --git a/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l05_cpuapp.overlay b/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l05_cpuapp.overlay
new file mode 100644
index 000000000000..300823ba9c08
--- /dev/null
+++ b/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l05_cpuapp.overlay
@@ -0,0 +1,25 @@
+/ {
+	cpuapp_sram@20017000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x20017000 DT_SIZE_K(4)>;
+		zephyr,memory-region = "RetainedMem";
+		status = "okay";
+
+		retainedmem0: retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+		};
+	};
+
+	aliases {
+		retainedmemtestdevice = &retainedmem0;
+	};
+};
+
+&cpuapp_sram {
+	/* Shrink SRAM size to avoid overlap with retained memory region:
+	 * 96 - 4 = 92KB = 0x17000
+	 */
+	reg = <0x20000000 0x17000>;
+	ranges = <0x0 0x20000000 0x17000>;
+};
diff --git a/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l10_cpuapp.conf b/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l10_cpuapp.conf
new file mode 100644
index 000000000000..c15ba3ed96da
--- /dev/null
+++ b/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l10_cpuapp.conf
@@ -0,0 +1 @@
+CONFIG_POWEROFF=y
diff --git a/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l10_cpuapp.overlay b/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l10_cpuapp.overlay
new file mode 100644
index 000000000000..7005c29f3075
--- /dev/null
+++ b/tests/drivers/retained_mem/api/boards/nrf54l15dk_nrf54l10_cpuapp.overlay
@@ -0,0 +1,25 @@
+/ {
+	cpuapp_sram@2002f000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x2002f000 DT_SIZE_K(4)>;
+		zephyr,memory-region = "RetainedMem";
+		status = "okay";
+
+		retainedmem0: retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+		};
+	};
+
+	aliases {
+		retainedmemtestdevice = &retainedmem0;
+	};
+};
+
+&cpuapp_sram {
+	/* Shrink SRAM size to avoid overlap with retained memory region:
+	 * 192 - 4 = 188KB = 0x2f000
+	 */
+	reg = <0x20000000 0x2f000>;
+	ranges = <0x0 0x20000000 0x2f000>;
+};
diff --git a/tests/drivers/retained_mem/api/testcase.yaml b/tests/drivers/retained_mem/api/testcase.yaml
index 1a5f3d6efe12..1f2e228ee017 100644
--- a/tests/drivers/retained_mem/api/testcase.yaml
+++ b/tests/drivers/retained_mem/api/testcase.yaml
@@ -9,6 +9,8 @@ tests:
       - qemu_cortex_m3
       - nrf54h20dk/nrf54h20/cpuapp
       - nrf54h20dk/nrf54h20/cpurad
+      - nrf54l15dk/nrf54l05/cpuapp
+      - nrf54l15dk/nrf54l10/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp
     tags:
       - drivers