diff --git a/types/p-one/index.d.ts b/types/p-one/index.d.ts
new file mode 100644
index 0000000000..14408b4cd7
--- /dev/null
+++ b/types/p-one/index.d.ts
@@ -0,0 +1,16 @@
+// Type definitions for p-one 1.0
+// Project: https://github.com/kevva/p-one#readme
+// Definitions by: BendingBender <https://github.com/BendingBender>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = pOne;
+
+declare function pOne<T>(input: Iterable<PromiseLike<T> | T>,
+                         testFn: (element: T, index: number) => boolean | Promise<boolean>,
+                         options?: pOne.Options): Promise<boolean>;
+
+declare namespace pOne {
+    interface Options {
+        concurrency?: number;
+    }
+}
diff --git a/types/p-one/p-one-tests.ts b/types/p-one/p-one-tests.ts
new file mode 100644
index 0000000000..99c2536dec
--- /dev/null
+++ b/types/p-one/p-one-tests.ts
@@ -0,0 +1,26 @@
+import pOne = require('p-one');
+
+const places = [
+    Promise.resolve('Norway'),
+    'Bangkok, Thailand',
+    'Berlin, Germany',
+    'Tokyo, Japan'
+];
+
+pOne(places, x => Promise.resolve(true)).then(result => {
+    const bool: boolean = result;
+});
+
+const places2 = [
+    Promise.resolve('Norway'),
+    'Bangkok, Thailand',
+    'Berlin, Germany',
+    5
+];
+
+pOne<string | number>(places2, x => {
+    const strnum: string | number = x;
+    return Promise.resolve(true);
+}, {concurrency: 2}).then(result => {
+    const bool: boolean = result;
+});
diff --git a/types/p-one/tsconfig.json b/types/p-one/tsconfig.json
new file mode 100644
index 0000000000..4b4e97dcc9
--- /dev/null
+++ b/types/p-one/tsconfig.json
@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "p-one-tests.ts"
+    ]
+}
diff --git a/types/p-one/tslint.json b/types/p-one/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/p-one/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }