diff --git a/types/i18next-ko/i18next-ko-tests.ts b/types/i18next-ko/i18next-ko-tests.ts
new file mode 100644
index 0000000000..1b8cd90904
--- /dev/null
+++ b/types/i18next-ko/i18next-ko-tests.ts
@@ -0,0 +1,24 @@
+import * as i18next from 'i18next';
+import * as i18nextko from 'i18next-ko';
+import * as ko from 'knockout';
+
+const resourceStore = {
+    en: {
+        translation: {
+            testTranslation: 'Test translation'
+        }
+    },
+
+    de: {
+        translation: {
+            testTranslation: 'Test-Übersetzung'
+        }
+    }
+};
+i18nextko.init(resourceStore, 'en', ko);
+
+i18nextko.setLanguage('de');
+
+i18nextko.i18n;
+
+i18nextko.t('testTranslation');
diff --git a/types/i18next-ko/index.d.ts b/types/i18next-ko/index.d.ts
new file mode 100644
index 0000000000..e9d3c2c639
--- /dev/null
+++ b/types/i18next-ko/index.d.ts
@@ -0,0 +1,25 @@
+// Type definitions for i18next-ko 3.0
+// Project: https://github.com/leMaik/i18next-ko
+// Definitions by: Daniel Waxweiler <https://github.com/dwaxweiler>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+/// <reference types="knockout"/>
+
+import * as i18next from 'i18next';
+
+export const i18n: i18next.i18n;
+
+export function init(resourceStore: i18nextkoResourceStore, language: string, ko: KnockoutStatic): void;
+
+export function setLanguage(language: string): void;
+
+export function t(key: string): KnockoutComputed<string>;
+
+export interface i18nextkoResourceStore {
+    [language: string]: {
+        translation: {
+            [key: string]: string
+        }
+    };
+}
diff --git a/types/i18next-ko/tsconfig.json b/types/i18next-ko/tsconfig.json
new file mode 100644
index 0000000000..9509fa509e
--- /dev/null
+++ b/types/i18next-ko/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "i18next-ko-tests.ts"
+    ]
+}
diff --git a/types/i18next-ko/tslint.json b/types/i18next-ko/tslint.json
new file mode 100644
index 0000000000..f93cf8562a
--- /dev/null
+++ b/types/i18next-ko/tslint.json
@@ -0,0 +1,3 @@
+{
+    "extends": "dtslint/dt.json"
+}