diff --git a/src/logging.cpp b/src/logging.cpp
index e5187fd5962..b456108b61c 100644
--- a/src/logging.cpp
+++ b/src/logging.cpp
@@ -8,6 +8,8 @@
 #include <util/string.h>
 #include <util/time.h>
 
+#include <algorithm>
+#include <array>
 #include <mutex>
 
 const char * const DEFAULT_DEBUGLOGFILE = "debug.log";
@@ -124,8 +126,7 @@ bool BCLog::Logger::DefaultShrinkDebugFile() const
     return m_categories == BCLog::NONE;
 }
 
-struct CLogCategoryDesc
-{
+struct CLogCategoryDesc {
     BCLog::LogFlags flag;
     std::string category;
 };
@@ -179,15 +180,18 @@ bool GetLogCategory(BCLog::LogFlags& flag, const std::string& str)
 
 std::vector<LogCategory> BCLog::Logger::LogCategoriesList() const
 {
+    // Sort log categories by alphabetical order.
+    std::array<CLogCategoryDesc, std::size(LogCategories)> categories;
+    std::copy(std::begin(LogCategories), std::end(LogCategories), categories.begin());
+    std::sort(categories.begin(), categories.end(), [](auto a, auto b) { return a.category < b.category; });
+
     std::vector<LogCategory> ret;
-    for (const CLogCategoryDesc& category_desc : LogCategories) {
-        // Omit the special cases.
-        if (category_desc.flag != BCLog::NONE && category_desc.flag != BCLog::ALL) {
-            LogCategory catActive;
-            catActive.category = category_desc.category;
-            catActive.active = WillLogCategory(category_desc.flag);
-            ret.push_back(catActive);
-        }
+    for (const CLogCategoryDesc& category_desc : categories) {
+        if (category_desc.flag == BCLog::NONE || category_desc.flag == BCLog::ALL) continue;
+        LogCategory catActive;
+        catActive.category = category_desc.category;
+        catActive.active = WillLogCategory(category_desc.flag);
+        ret.push_back(catActive);
     }
     return ret;
 }
@@ -237,7 +241,7 @@ namespace BCLog {
         }
         return ret;
     }
-}
+} // namespace BCLog
 
 void BCLog::Logger::LogPrintStr(const std::string& str, const std::string& logging_function, const std::string& source_file, const int source_line)
 {
diff --git a/src/logging.h b/src/logging.h
index d04bc992680..38d73863e76 100644
--- a/src/logging.h
+++ b/src/logging.h
@@ -138,9 +138,9 @@ namespace BCLog {
         bool DisableCategory(const std::string& str);
 
         bool WillLogCategory(LogFlags category) const;
-        /** Returns a vector of the log categories */
+        /** Returns a vector of the log categories in alphabetical order. */
         std::vector<LogCategory> LogCategoriesList() const;
-        /** Returns a string with the log categories */
+        /** Returns a string with the log categories in alphabetical order. */
         std::string LogCategoriesString() const
         {
             return Join(LogCategoriesList(), ", ", [&](const LogCategory& i) { return i.category; });
diff --git a/test/functional/rpc_misc.py b/test/functional/rpc_misc.py
index 52c8fa883de..563f2ea43e0 100755
--- a/test/functional/rpc_misc.py
+++ b/test/functional/rpc_misc.py
@@ -54,13 +54,27 @@ class RpcMiscTest(BitcoinTestFramework):
 
         assert_raises_rpc_error(-8, "unknown mode foobar", node.getmemoryinfo, mode="foobar")
 
-        self.log.info("test logging")
+        self.log.info("test logging rpc and help")
+
+        # Test logging RPC returns the expected number of logging categories.
+        assert_equal(len(node.logging()), 24)
+
+        # Test toggling a logging category on/off/on with the logging RPC.
         assert_equal(node.logging()['qt'], True)
         node.logging(exclude=['qt'])
         assert_equal(node.logging()['qt'], False)
         node.logging(include=['qt'])
         assert_equal(node.logging()['qt'], True)
 
+        # Test logging RPC returns the logging categories in alphabetical order.
+        sorted_logging_categories = sorted(node.logging())
+        assert_equal(list(node.logging()), sorted_logging_categories)
+
+        # Test logging help returns the logging categories string in alphabetical order.
+        categories = ', '.join(sorted_logging_categories)
+        logging_help = self.nodes[0].help('logging')
+        assert f"valid logging categories are: {categories}" in logging_help
+
         self.log.info("test echoipc (testing spawned process in multiprocess build)")
         assert_equal(node.echoipc("hello"), "hello")