diff --git a/SConstruct b/SConstruct
index ada886be1..5a0e2bb77 100644
--- a/SConstruct
+++ b/SConstruct
@@ -78,6 +78,8 @@ opts.Add(
     )
 )
 
+opts.Add(BoolVariable("use_asan", "Use address sanitizer (ASAN) in MSVC", False))
+
 # Add platform options
 tools = {}
 for pl in platforms:
@@ -177,6 +179,12 @@ if env["platform"] == "macos":
 elif env["platform"] == "windows":
     env.AppendUnique(CPPDEFINES=["WINVER=0x0603", "_WIN32_WINNT=0x0603"])
 
+# Sanitizers.
+if env.get("use_asan", False) and and env.get("is_msvc", False):
+    env["extra_suffix"] = "san"
+    env.Append(LINKFLAGS=["/INFERASANLIBS"])
+    env.Append(CCFLAGS=["/fsanitize=address"])
+
 
 scons_cache_path = os.environ.get("SCONS_CACHE")
 if scons_cache_path is not None: