diff --git a/.changelog/21837.txt b/.changelog/21837.txt
new file mode 100644
index 00000000000..1d9d808fb0f
--- /dev/null
+++ b/.changelog/21837.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+data-source/aws_ec2_instance_type: Add `encryption_in_transit_supported` attribute
+```
\ No newline at end of file
diff --git a/internal/service/ec2/instance_type_data_source.go b/internal/service/ec2/instance_type_data_source.go
index d11582993d7..a660865283b 100644
--- a/internal/service/ec2/instance_type_data_source.go
+++ b/internal/service/ec2/instance_type_data_source.go
@@ -112,6 +112,11 @@ func DataSourceInstanceType() *schema.Resource {
 				Computed: true,
 			},
 
+			"encryption_in_transit_supported": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
 			"fpgas": {
 				Type:     schema.TypeSet,
 				Computed: true,
@@ -384,6 +389,7 @@ func dataSourceInstanceTypeRead(d *schema.ResourceData, meta interface{}) error
 	}
 	d.Set("efa_supported", v.NetworkInfo.EfaSupported)
 	d.Set("ena_support", v.NetworkInfo.EnaSupport)
+	d.Set("encryption_in_transit_supported", v.NetworkInfo.EncryptionInTransitSupported)
 	if v.FpgaInfo != nil {
 		fpgaList := make([]interface{}, len(v.FpgaInfo.Fpgas))
 		for i, fpg := range v.FpgaInfo.Fpgas {
diff --git a/internal/service/ec2/instance_type_data_source_test.go b/internal/service/ec2/instance_type_data_source_test.go
index c10a88d24ce..702aecc49fb 100644
--- a/internal/service/ec2/instance_type_data_source_test.go
+++ b/internal/service/ec2/instance_type_data_source_test.go
@@ -31,6 +31,7 @@ func TestAccEC2InstanceTypeDataSource_basic(t *testing.T) {
 					resource.TestCheckResourceAttr(resourceBasic, "ebs_optimized_support", "default"),
 					resource.TestCheckResourceAttr(resourceBasic, "efa_supported", "false"),
 					resource.TestCheckResourceAttr(resourceBasic, "ena_support", "required"),
+					resource.TestCheckResourceAttr(resourceBasic, "encryption_in_transit_supported", "false"),
 					resource.TestCheckResourceAttr(resourceBasic, "free_tier_eligible", "false"),
 					resource.TestCheckResourceAttr(resourceBasic, "hibernation_supported", "true"),
 					resource.TestCheckResourceAttr(resourceBasic, "hypervisor", "nitro"),
diff --git a/website/docs/d/ec2_instance_type.html.markdown b/website/docs/d/ec2_instance_type.html.markdown
index c76665a69e3..e1c6ea3b597 100644
--- a/website/docs/d/ec2_instance_type.html.markdown
+++ b/website/docs/d/ec2_instance_type.html.markdown
@@ -51,6 +51,7 @@ In addition to the argument above, the following attributes are exported:
 * `ebs_performance_maximum_throughput` - The maximum throughput performance for an EBS-optimized instance type, in MBps.
 * `efa_supported` - Indicates whether Elastic Fabric Adapter (EFA) is supported.
 * `ena_support` - Indicates whether Elastic Network Adapter (ENA) is supported.
+* `encryption_in_transit_supported` - Indicates whether encryption in-transit between instances is supported.
 * `fpgas` - Describes the FPGA accelerator settings for the instance type.
     * `fpgas.#.count` - The count of FPGA accelerators for the instance type.
     * `fpgas.#.manufacturer` - The manufacturer of the FPGA accelerator.