diff --git a/types/isarray/index.d.ts b/types/isarray/index.d.ts
new file mode 100644
index 0000000000..8466d6cbd6
--- /dev/null
+++ b/types/isarray/index.d.ts
@@ -0,0 +1,9 @@
+// Type definitions for isarray 2.0
+// Project: https://github.com/juliangruber/isarray
+// Definitions by: Claas Ahlrichs <https://github.com/claasahl>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.7
+
+export = isarray;
+
+declare function isarray(p0: any): boolean;
diff --git a/types/isarray/isarray-tests.ts b/types/isarray/isarray-tests.ts
new file mode 100644
index 0000000000..d29f7761d2
--- /dev/null
+++ b/types/isarray/isarray-tests.ts
@@ -0,0 +1,4 @@
+import isArray from "isarray";
+
+isArray([]); // => true
+isArray({}); // => false
diff --git a/types/isarray/tsconfig.json b/types/isarray/tsconfig.json
new file mode 100644
index 0000000000..66483911c6
--- /dev/null
+++ b/types/isarray/tsconfig.json
@@ -0,0 +1,24 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "esModuleInterop": true
+    },
+    "files": [
+        "index.d.ts",
+        "isarray-tests.ts"
+    ]
+}
diff --git a/types/isarray/tslint.json b/types/isarray/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/isarray/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }