diff --git a/types/is-running/index.d.ts b/types/is-running/index.d.ts
new file mode 100644
index 0000000000..e573a44193
--- /dev/null
+++ b/types/is-running/index.d.ts
@@ -0,0 +1,8 @@
+// Type definitions for is-running 2.1
+// Project: https://github.com/nisaacson/is-running
+// Definitions by: Daniel Byrne <https://github.com/danwbyrne>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare function isRunning(pid: number): boolean;
+
+export = isRunning;
diff --git a/types/is-running/is-running-tests.ts b/types/is-running/is-running-tests.ts
new file mode 100644
index 0000000000..5f8ad2983a
--- /dev/null
+++ b/types/is-running/is-running-tests.ts
@@ -0,0 +1,4 @@
+import isRunning = require("is-running");
+
+// $ExpectType boolean
+isRunning(100);
diff --git a/types/is-running/tsconfig.json b/types/is-running/tsconfig.json
new file mode 100644
index 0000000000..3a03f10b96
--- /dev/null
+++ b/types/is-running/tsconfig.json
@@ -0,0 +1,23 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "lib": [
+      "es6"
+    ],
+    "noImplicitAny": true,
+    "noImplicitThis": true,
+    "strictNullChecks": false,
+    "strictFunctionTypes": true,
+    "baseUrl": "../",
+    "typeRoots": [
+      "../"
+    ],
+    "types": [],
+    "noEmit": true,
+    "forceConsistentCasingInFileNames": true
+    },
+  "files": [
+    "index.d.ts",
+    "is-running-tests.ts"
+  ]
+}
diff --git a/types/is-running/tslint.json b/types/is-running/tslint.json
new file mode 100644
index 0000000000..d88586e5bd
--- /dev/null
+++ b/types/is-running/tslint.json
@@ -0,0 +1,3 @@
+{
+  "extends": "dtslint/dt.json"
+}