diff --git a/sbin/sysctl/sysctl.8 b/sbin/sysctl/sysctl.8
--- a/sbin/sysctl/sysctl.8
+++ b/sbin/sysctl/sysctl.8
@@ -28,7 +28,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 18, 2023
+.Dd October 14, 2024
 .Dt SYSCTL 8
 .Os
 .Sh NAME
@@ -153,6 +153,8 @@
 Display only variables that are settable via loader (CTLFLAG_TUN).
 .It Fl t
 Print the type of the variable.
+.It Fl V
+Display only VNET sysctl variables (CTLFLAG_VNET).
 .It Fl W
 Display only writable variables that are not statistical.
 Useful for determining the set of runtime tunable sysctls.
@@ -325,7 +327,8 @@
 .Xr loader.conf 5 ,
 .Xr sysctl.conf 5 ,
 .Xr security 7 ,
-.Xr loader 8
+.Xr loader 8 ,
+.Xr jail 8
 .Sh HISTORY
 A
 .Nm
diff --git a/sbin/sysctl/sysctl.c b/sbin/sysctl/sysctl.c
--- a/sbin/sysctl/sysctl.c
+++ b/sbin/sysctl/sysctl.c
@@ -63,7 +63,7 @@
 
 static int	aflag, bflag, Bflag, dflag, eflag, hflag, iflag;
 static int	Nflag, nflag, oflag, qflag, tflag, Tflag, Wflag, xflag;
-static bool	Fflag, lflag;
+static bool	Fflag, lflag, Vflag;
 
 static int	oidfmt(int *, int, char *, u_int *);
 static int	parsefile(const char *);
@@ -136,7 +136,7 @@
 	setbuf(stdout,0);
 	setbuf(stderr,0);
 
-	while ((ch = getopt(argc, argv, "AabB:def:FhilNnoqtTwWxX")) != -1) {
+	while ((ch = getopt(argc, argv, "AabB:def:FhilNnoqtTVwWxX")) != -1) {
 		switch (ch) {
 		case 'A':
 			/* compatibility */
@@ -190,6 +190,9 @@
 		case 'T':
 			Tflag = 1;
 			break;
+		case 'V':
+			Vflag = true;
+			break;
 		case 'w':
 			/* compatibility */
 			/* ignored */
@@ -1052,6 +1055,10 @@
 	if (Tflag && (kind & CTLFLAG_TUN) == 0)
 		return (1);
 
+	/* if Vflag then only list sysctls that are vnet variables. */
+	if (Vflag && (kind & CTLFLAG_VNET) == 0)
+		return (1);
+
 	if (Nflag) {
 		printf("%s", name);
 		return (0);