diff --git a/AWS/Terraform/main.tf b/AWS/Terraform/main.tf
index 52fb98e..18324a5 100644
--- a/AWS/Terraform/main.tf
+++ b/AWS/Terraform/main.tf
@@ -159,7 +159,7 @@ resource "aws_instance" "logger" {
   ami           = coalesce(var.logger_ami, data.aws_ami.logger_ami.image_id)
 
   tags = {
-    Name = "logger"
+    Name = "${var.tag_prefix}logger"
   }
 
   subnet_id              = aws_subnet.default.id
@@ -223,7 +223,7 @@ resource "aws_instance" "dc" {
   ami = coalesce(var.dc_ami, data.aws_ami.dc_ami.image_id)
 
   tags = {
-    Name = "dc.windomain.local"
+    Name = "${var.tag_prefix}dc.windomain.local"
   }
 
   subnet_id              = aws_subnet.default.id
@@ -258,7 +258,7 @@ resource "aws_instance" "wef" {
   ami = coalesce(var.wef_ami, data.aws_ami.wef_ami.image_id)
 
   tags = {
-    Name = "wef.windomain.local"
+    Name = "${var.tag_prefix}wef.windomain.local"
   }
 
   subnet_id              = aws_subnet.default.id
@@ -293,7 +293,7 @@ resource "aws_instance" "win10" {
   ami = coalesce(var.win10_ami, data.aws_ami.win10_ami.image_id)
 
   tags = {
-    Name = "win10.windomain.local"
+    Name = "${var.tag_prefix}win10.windomain.local"
   }
 
   subnet_id              = aws_subnet.default.id
@@ -304,4 +304,3 @@ resource "aws_instance" "win10" {
     delete_on_termination = true
   }
 }
-
diff --git a/AWS/Terraform/terraform.tfvars.example b/AWS/Terraform/terraform.tfvars.example
index 56a3c38..49521d2 100644
--- a/AWS/Terraform/terraform.tfvars.example
+++ b/AWS/Terraform/terraform.tfvars.example
@@ -6,3 +6,4 @@ public_key_path = "/home/user/.ssh/id_logger.pub"
 private_key_path = "/home/user/.ssh/id_logger"
 ip_whitelist = ["1.2.3.4/32"]
 availability_zone = "us-west-1b"
+// tag_prefix = "some_prefix_"
diff --git a/AWS/Terraform/variables.tf b/AWS/Terraform/variables.tf
index 3371d49..8efd508 100644
--- a/AWS/Terraform/variables.tf
+++ b/AWS/Terraform/variables.tf
@@ -6,6 +6,11 @@ variable "profile" {
   default = "terraform"
 }
 
+variable "tag_prefix" {
+  description = "Optional string to prefix at the front of instance names in case you need to run multiple DetectionLab environments in the same AWS account"
+  default     = ""
+}
+
 variable "availability_zone" {
   description = "https://www.terraform.io/docs/providers/aws/d/availability_zone.html"
   default     = ""