diff --git a/include/zephyr/devicetree.h b/include/zephyr/devicetree.h
index e10cb7c8c5fec..2c83b6fe44166 100644
--- a/include/zephyr/devicetree.h
+++ b/include/zephyr/devicetree.h
@@ -2,6 +2,7 @@
  * SPDX-License-Identifier: Apache-2.0
  * Copyright (c) 2020 Nordic Semiconductor
  * Copyright (c) 2020, Linaro Ltd.
+ * Copyright (c) 2025 Alexander Kozhinov <ak.alexander.kozhinov@gmail.com>
  *
  * Not a generated file. Feel free to modify.
  */
@@ -1322,6 +1323,18 @@
 #define DT_STRING_TOKEN_BY_IDX(node_id, prop, idx) \
 	DT_CAT6(node_id, _P_, prop, _IDX_, idx, _STRING_TOKEN)
 
+/**
+ * @brief Like DT_STRING_TOKEN_BY_IDX(), but with a fallback to default_value
+ * @param node_id node identifier
+ * @param prop lowercase-and-underscores property name
+ * @param idx the index to get
+ * @param default_value a fallback value to expand to
+ * @return the element in @p prop at index @p idx as a token
+ */
+#define DT_STRING_TOKEN_BY_IDX_OR(node_id, prop, idx, default_value)                               \
+	COND_CODE_1(DT_PROP_HAS_IDX(node_id, prop, idx), \
+		    (DT_STRING_TOKEN_BY_IDX(node_id, prop, idx)), (default_value))
+
 /**
  * @brief Like DT_STRING_TOKEN_BY_IDX(), but uppercased.
  *
@@ -4418,6 +4431,17 @@
 #define DT_INST_STRING_TOKEN_BY_IDX(inst, prop, idx) \
 	DT_STRING_TOKEN_BY_IDX(DT_DRV_INST(inst), prop, idx)
 
+/**
+ * @brief Like DT_INST_STRING_TOKEN_BY_IDX(), but with a fallback to default_value
+ * @param inst instance number
+ * @param prop lowercase-and-underscores property name
+ * @param idx the index to get
+ * @param default_value a fallback value to expand to
+ * @return the element in @p prop at index @p idx as a token
+ */
+#define DT_INST_STRING_TOKEN_BY_IDX_OR(inst, prop, idx, default_value)                             \
+	DT_STRING_TOKEN_BY_IDX_OR(DT_DRV_INST(inst), prop, idx, default_value)
+
 /**
  * @brief Like DT_INST_STRING_TOKEN_BY_IDX(), but uppercased.
  * @param inst instance number
diff --git a/tests/lib/devicetree/api/src/main.c b/tests/lib/devicetree/api/src/main.c
index 54d95555fe694..70f17a8403732 100644
--- a/tests/lib/devicetree/api/src/main.c
+++ b/tests/lib/devicetree/api/src/main.c
@@ -3433,7 +3433,9 @@ ZTEST(devicetree_api, test_string_token)
 #define DT_DRV_COMPAT vnd_string_array_token
 ZTEST(devicetree_api, test_string_idx_token)
 {
+	/* The enum has 7 values in total - thus invalid idx starts with 16 */
 	enum token_string_idx {
+		token_idx_default,
 		/* Tokens */
 		token_first_idx_zero,
 		token_first_idx_one,
@@ -3468,6 +3470,15 @@ ZTEST(devicetree_api, test_string_idx_token)
 	zassert_equal(DT_STRING_TOKEN_BY_IDX(DT_NODELABEL(test_str_array_token_1), val, 3),
 			token_second_idx_three, "");
 
+	/* Index is in range */
+	zassert_equal(DT_STRING_TOKEN_BY_IDX_OR(DT_NODELABEL(test_str_array_token_1), val, 3,
+						token_idx_default),
+		      token_second_idx_three, "");
+	/* Index is out of range */
+	zassert_equal(DT_STRING_TOKEN_BY_IDX_OR(DT_NODELABEL(test_str_array_token_1), val, 42,
+						token_idx_default),
+		      token_idx_default, "");
+
 	zassert_equal(DT_STRING_UPPER_TOKEN_BY_IDX(DT_NODELABEL(test_str_array_token_0), val, 0),
 			TOKEN_FIRST_IDX_ZERO, "");
 	zassert_equal(DT_STRING_UPPER_TOKEN_BY_IDX(DT_NODELABEL(test_str_array_token_0), val, 1),
@@ -3506,6 +3517,13 @@ ZTEST(devicetree_api, test_string_idx_token)
 	zassert_equal(STRING_TOKEN_BY_IDX_VAR(DT_NODELABEL(test_str_array_token_1))[2],
 			token_second_idx_two, "");
 
+	/* Index is in range instance #0 corresponds to test_str_array_token_0 */
+	zassert_equal(DT_INST_STRING_TOKEN_BY_IDX_OR(0, val, 2, token_idx_default),
+		      token_first_idx_two, "");
+	/* Index is out of range */
+	zassert_equal(DT_INST_STRING_TOKEN_BY_IDX_OR(0, val, 21, token_idx_default),
+		      token_idx_default, "");
+
 #define STRING_UPPER_TOKEN_BY_IDX_VAR(node_id) _CONCAT(var_upper_token, node_id)
 #define STRING_UPPER_TOKEN_BY_IDX_TEST_INST_EXPANSION(inst) \
 	enum token_string_idx STRING_UPPER_TOKEN_BY_IDX_VAR(DT_DRV_INST(inst))[] = { \