diff --git a/moto/ec2/models.py b/moto/ec2/models.py
index 5e55b6276..d6d92da43 100644
--- a/moto/ec2/models.py
+++ b/moto/ec2/models.py
@@ -2892,6 +2892,7 @@ class VPCBackend(object):
         cidr_block,
         instance_tenancy="default",
         amazon_provided_ipv6_cidr_block=False,
+        tags=[],
     ):
         vpc_id = random_vpc_id()
         try:
@@ -2910,6 +2911,12 @@ class VPCBackend(object):
             instance_tenancy,
             amazon_provided_ipv6_cidr_block,
         )
+
+        for tag in tags:
+            tag_key = tag.get("Key")
+            tag_value = tag.get("Value")
+            vpc.add_tag(tag_key, tag_value)
+
         self.vpcs[vpc_id] = vpc
 
         # AWS creates a default main route table and security group.
@@ -3409,6 +3416,7 @@ class SubnetBackend(object):
         availability_zone=None,
         availability_zone_id=None,
         context=None,
+        tags=[],
     ):
         subnet_id = random_subnet_id()
         vpc = self.get_vpc(
@@ -3479,6 +3487,11 @@ class SubnetBackend(object):
             assign_ipv6_address_on_creation=False,
         )
 
+        for tag in tags:
+            tag_key = tag.get("Key")
+            tag_value = tag.get("Value")
+            subnet.add_tag(tag_key, tag_value)
+
         # AWS associates a new subnet with the default Network ACL
         self.associate_default_network_acl_with_subnet(subnet_id, vpc_id)
         self.subnets[availability_zone][subnet_id] = subnet
diff --git a/moto/ec2/responses/subnets.py b/moto/ec2/responses/subnets.py
index 3bad8e12f..ef1b6249c 100644
--- a/moto/ec2/responses/subnets.py
+++ b/moto/ec2/responses/subnets.py
@@ -11,12 +11,21 @@ class Subnets(BaseResponse):
         cidr_block = self._get_param("CidrBlock")
         availability_zone = self._get_param("AvailabilityZone")
         availability_zone_id = self._get_param("AvailabilityZoneId")
+        tags = self._get_multi_param("TagSpecification")
+        if tags:
+            tags = tags[0].get("Tag")
+
         if not availability_zone and not availability_zone_id:
             availability_zone = random.choice(
                 self.ec2_backend.describe_availability_zones()
             ).name
         subnet = self.ec2_backend.create_subnet(
-            vpc_id, cidr_block, availability_zone, availability_zone_id, context=self
+            vpc_id,
+            cidr_block,
+            availability_zone,
+            availability_zone_id,
+            context=self,
+            tags=tags,
         )
         template = self.response_template(CREATE_SUBNET_RESPONSE)
         return template.render(subnet=subnet)
@@ -64,6 +73,16 @@ CREATE_SUBNET_RESPONSE = """
     <assignIpv6AddressOnCreation>{{ subnet.assign_ipv6_address_on_creation }}</assignIpv6AddressOnCreation>
     <ipv6CidrBlockAssociationSet>{{ subnet.ipv6_cidr_block_associations }}</ipv6CidrBlockAssociationSet>
     <subnetArn>arn:aws:ec2:{{ subnet._availability_zone.name[0:-1] }}:{{ subnet.owner_id }}:subnet/{{ subnet.id }}</subnetArn>
+    <tagSet>
+        {% for tag in subnet.get_tags() %}
+          <item>
+            <resourceId>{{ tag.resource_id }}</resourceId>
+            <resourceType>{{ tag.resource_type }}</resourceType>
+            <key>{{ tag.key }}</key>
+            <value>{{ tag.value }}</value>
+          </item>
+        {% endfor %}
+    </tagSet>
   </subnet>
 </CreateSubnetResponse>"""
 
diff --git a/moto/ec2/responses/vpcs.py b/moto/ec2/responses/vpcs.py
index fc752fa7d..de4bb3feb 100644
--- a/moto/ec2/responses/vpcs.py
+++ b/moto/ec2/responses/vpcs.py
@@ -14,14 +14,19 @@ class VPCs(BaseResponse):
 
     def create_vpc(self):
         cidr_block = self._get_param("CidrBlock")
+        tags = self._get_multi_param("TagSpecification")
         instance_tenancy = self._get_param("InstanceTenancy", if_none="default")
         amazon_provided_ipv6_cidr_blocks = self._get_param(
             "AmazonProvidedIpv6CidrBlock"
         )
+        if tags:
+            tags = tags[0].get("Tag")
+
         vpc = self.ec2_backend.create_vpc(
             cidr_block,
             instance_tenancy,
             amazon_provided_ipv6_cidr_block=amazon_provided_ipv6_cidr_blocks,
+            tags=tags,
         )
         doc_date = self._get_doc_date()
         template = self.response_template(CREATE_VPC_RESPONSE)
diff --git a/tests/test_ec2/test_subnets.py b/tests/test_ec2/test_subnets.py
index 45c9040fc..2d30171f0 100644
--- a/tests/test_ec2/test_subnets.py
+++ b/tests/test_ec2/test_subnets.py
@@ -327,7 +327,7 @@ def test_create_subnet_response_fields():
     subnet.should.have.key("State")
     subnet.should.have.key("SubnetId")
     subnet.should.have.key("VpcId")
-    subnet.shouldnt.have.key("Tags")
+    subnet.should.have.key("Tags")
     subnet.should.have.key("DefaultForAz").which.should.equal(False)
     subnet.should.have.key("MapPublicIpOnLaunch").which.should.equal(False)
     subnet.should.have.key("OwnerId")
@@ -456,6 +456,23 @@ def test_create_subnets_with_overlapping_cidr_blocks():
     )
 
 
+@mock_ec2
+def test_create_subnet_with_tags():
+    ec2 = boto3.resource("ec2", region_name="us-west-1")
+    vpc = ec2.create_vpc(CidrBlock="172.31.0.0/16")
+
+    subnet = ec2.create_subnet(
+        VpcId=vpc.id,
+        CidrBlock="172.31.48.0/20",
+        AvailabilityZoneId="use1-az6",
+        TagSpecifications=[
+            {"ResourceType": "subnet", "Tags": [{"Key": "name", "Value": "some-vpc"}]}
+        ],
+    )
+
+    assert subnet.tags == [{"Key": "name", "Value": "some-vpc"}]
+
+
 @mock_ec2
 def test_available_ip_addresses_in_subnet():
     ec2 = boto3.resource("ec2", region_name="us-west-1")
diff --git a/tests/test_ec2/test_vpcs.py b/tests/test_ec2/test_vpcs.py
index 35705e482..8ad85072c 100644
--- a/tests/test_ec2/test_vpcs.py
+++ b/tests/test_ec2/test_vpcs.py
@@ -680,6 +680,19 @@ def test_create_vpc_with_invalid_cidr_range():
     )
 
 
+@mock_ec2
+def test_create_vpc_with_tags():
+    ec2 = boto3.resource("ec2", region_name="us-west-1")
+    # Create VPC
+    vpc = ec2.create_vpc(
+        CidrBlock="10.0.0.0/16",
+        TagSpecifications=[
+            {"ResourceType": "vpc", "Tags": [{"Key": "name", "Value": "some-vpc"}]}
+        ],
+    )
+    assert vpc.tags == [{"Key": "name", "Value": "some-vpc"}]
+
+
 @mock_ec2
 def test_enable_vpc_classic_link():
     ec2 = boto3.resource("ec2", region_name="us-west-1")