diff --git a/doc/services/portability/posix/option_groups/index.rst b/doc/services/portability/posix/option_groups/index.rst
index a2c316a6928..29c129868be 100644
--- a/doc/services/portability/posix/option_groups/index.rst
+++ b/doc/services/portability/posix/option_groups/index.rst
@@ -102,6 +102,20 @@ This table lists service support status in Zephyr:
     pthread_getconcurrency(),yes
     pthread_setconcurrency(),yes
 
+.. _posix_option_group_xsi_system_logging:
+
+XSI_SYSTEM_LOGGING
+==================
+
+.. csv-table:: XSI_SYSTEM_LOGGING
+   :header: API, Supported
+   :widths: 50,10
+
+    closelog(),yes
+    openlog(),yes
+    setlogmask(),yes
+    syslog(),yes
+
 .. _posix_option_group_c_lang_jump:
 
 POSIX_C_LANG_JUMP
diff --git a/lib/posix/options/CMakeLists.txt b/lib/posix/options/CMakeLists.txt
index dcc850da084..f416ad3bf4e 100644
--- a/lib/posix/options/CMakeLists.txt
+++ b/lib/posix/options/CMakeLists.txt
@@ -80,6 +80,7 @@ zephyr_library_sources_ifdef(CONFIG_PTHREAD pthread.c)
 zephyr_library_sources_ifdef(CONFIG_POSIX_PRIORITY_SCHEDULING sched.c)
 zephyr_library_sources_ifdef(CONFIG_POSIX_READER_WRITER_LOCKS rwlock.c)
 zephyr_library_sources_ifdef(CONFIG_POSIX_SEMAPHORES semaphore.c)
+zephyr_library_sources_ifdef(CONFIG_XSI_SYSTEM_LOGGING syslog.c)
 
 zephyr_library_sources_ifdef(CONFIG_GETOPT_LONG
   getopt/getopt_long.c
diff --git a/lib/posix/options/Kconfig b/lib/posix/options/Kconfig
index 49bed90880c..3b10f4a6614 100644
--- a/lib/posix/options/Kconfig
+++ b/lib/posix/options/Kconfig
@@ -45,7 +45,6 @@ rsource "Kconfig.signal"
 rsource "Kconfig.spinlock"
 rsource "Kconfig.stropts"
 rsource "Kconfig.sync_io"
-rsource "Kconfig.syslog"
 rsource "Kconfig.timer"
 rsource "Kconfig.xsi"
 
diff --git a/lib/posix/options/Kconfig.deprecated b/lib/posix/options/Kconfig.deprecated
index 5c354268cdc..524c45edef1 100644
--- a/lib/posix/options/Kconfig.deprecated
+++ b/lib/posix/options/Kconfig.deprecated
@@ -138,6 +138,15 @@ config POSIX_SYSCONF
 
 	  Please use CONFIG_POSIX_SINGLE_PROCESS instead.
 
+config POSIX_SYSLOG
+	bool "Support for syslog() [DEPRECATED]"
+	select DEPRECATED
+	select XSI_SYSTEM_LOGGING
+	help
+	  This option is deprecated.
+
+	  Please use CONFIG_XSI_SYSTEM_LOGGING instead.
+
 config POSIX_UNAME
 	bool "Support for uname [DEPRECATED]"
 	select DEPRECATED
diff --git a/lib/posix/options/Kconfig.syslog b/lib/posix/options/Kconfig.syslog
deleted file mode 100644
index 1fedd93cddf..00000000000
--- a/lib/posix/options/Kconfig.syslog
+++ /dev/null
@@ -1,10 +0,0 @@
-# Copyright (c) 2024, Meta
-#
-# SPDX-License-Identifier: Apache-2.0
-
-config POSIX_SYSLOG
-	bool "Support for syslog()"
-	default y if POSIX_API
-	help
-	  This option provides support for closelog(), openlog(), syslog(),
-	  setlogmask(), and vsyslog().
diff --git a/lib/posix/options/Kconfig.xsi b/lib/posix/options/Kconfig.xsi
index 5124e9eb8c7..6fa10578c21 100644
--- a/lib/posix/options/Kconfig.xsi
+++ b/lib/posix/options/Kconfig.xsi
@@ -13,3 +13,13 @@ config XSI_SINGLE_PROCESS
 
 	  For more information, please see
 	  https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_subprofiles.html
+
+config XSI_SYSTEM_LOGGING
+	bool "X/Open system logging"
+	default y if POSIX_API
+	help
+	  This option provides support for closelog(), openlog(), syslog(),
+	  setlogmask(), and vsyslog().
+
+	  For more information, please see
+	  https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_subprofiles.html