There is no single language called "Hindu."
However, people who practice Hinduism speak a variety of languages, including:
* Hindi: The most widely spoken language in India, with over 600 million speakers.
* Bengali: Spoken by over 265 million people, primarily in Bangladesh and India.
* Marathi: Spoken by over 83 million people, primarily in the state of Maharashtra, India.
* Gujarati: Spoken by over 60 million people, primarily in the state of Gujarat, India.
* Tamil: Spoken by over 80 million people, primarily in the state of Tamil Nadu, India.
* Telugu: Spoken by over 90 million people, primarily in the state of Andhra Pradesh and Telangana, India.
* Malayalam: Spoken by over 35 million people, primarily in the state of Kerala, India.
* Kannada: Spoken by over 50 million people, primarily in the state of Karnataka, India.
* Odia: Spoken by over 35 million people, primarily in the state of Odisha, India.
* Sanskrit: Considered a sacred language in Hinduism and used in religious texts and rituals.
It's important to remember that these are just some of the languages spoken by Hindus. There are many other languages spoken by people who practice Hinduism across the world.