diff --git a/net/Makefile b/net/Makefile
index 48a90f716dd42..1d16d6d343c33 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -1316,6 +1316,7 @@
     SUBDIR += rubygem-google-cloud-monitoring
     SUBDIR += rubygem-google-cloud-monitoring-dashboard-v1
     SUBDIR += rubygem-google-cloud-monitoring-metrics_scope-v1
+    SUBDIR += rubygem-google-cloud-monitoring-v3
     SUBDIR += rubygem-google-cloud-pubsub
     SUBDIR += rubygem-google-cloud-pubsub-v1
     SUBDIR += rubygem-google-cloud-resource_manager
diff --git a/net/rubygem-google-cloud-monitoring-v3/Makefile b/net/rubygem-google-cloud-monitoring-v3/Makefile
new file mode 100644
index 0000000000000..e9558493f4c03
--- /dev/null
+++ b/net/rubygem-google-cloud-monitoring-v3/Makefile
@@ -0,0 +1,23 @@
+PORTNAME=	google-cloud-monitoring-v3
+PORTVERSION=	0.13.0
+CATEGORIES=	net rubygems
+MASTER_SITES=	RG
+
+MAINTAINER=	sunpoet@FreeBSD.org
+COMMENT=	Ruby Client for the Cloud Monitoring V3 API
+WWW=		https://cloud.google.com/ruby/docs/reference/google-cloud-monitoring-v3/latest/ \
+		https://googleapis.github.io/google-cloud-ruby/docs/ \
+		https://github.com/googleapis/google-cloud-ruby/tree/main/google-cloud-monitoring-v3 \
+		https://github.com/googleapis/google-cloud-ruby
+
+LICENSE=	APACHE20
+LICENSE_FILE=	${WRKSRC}/LICENSE.md
+
+RUN_DEPENDS=	rubygem-gapic-common>=0.20.0<2.0:devel/rubygem-gapic-common \
+		rubygem-google-cloud-errors>=1.0<2:net/rubygem-google-cloud-errors
+
+USES=		gem
+
+NO_ARCH=	yes
+
+.include <bsd.port.mk>
diff --git a/net/rubygem-google-cloud-monitoring-v3/distinfo b/net/rubygem-google-cloud-monitoring-v3/distinfo
new file mode 100644
index 0000000000000..de167fe03cbf6
--- /dev/null
+++ b/net/rubygem-google-cloud-monitoring-v3/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1702028028
+SHA256 (rubygem/google-cloud-monitoring-v3-0.13.0.gem) = 169997684ca8d54973d76dde28b057b41565336ada1c7f0491b0bd4e682e4f50
+SIZE (rubygem/google-cloud-monitoring-v3-0.13.0.gem) = 157696
diff --git a/net/rubygem-google-cloud-monitoring-v3/pkg-descr b/net/rubygem-google-cloud-monitoring-v3/pkg-descr
new file mode 100644
index 0000000000000..a9643a66c13d4
--- /dev/null
+++ b/net/rubygem-google-cloud-monitoring-v3/pkg-descr
@@ -0,0 +1,7 @@
+Ruby Client for the Cloud Monitoring V3 API
+
+Manages your Cloud Monitoring data and configurations.
+
+Cloud Monitoring collects metrics, events, and metadata from Google Cloud,
+Amazon Web Services (AWS), hosted uptime probes, and application
+instrumentation.