The official language of Haryana is:

Hindi
Punjabi
Haryanvi
Urdu

The official language of Haryana is Hindi. It is the most widely spoken language in the state, with over 80% of the population speaking it as their first language. Hindi is also the official language of India, and it is used in government, education, and the media.

Punjabi is the second most widely spoken language in Haryana, with about 10% of the population speaking it as their first language. Punjabi is a member of the Indo-Aryan language family, and it is closely related to Hindi. Punjabi is also spoken in the neighboring states of Punjab and Himachal Pradesh, as well as in Pakistan.

Haryanvi is a dialect of Hindi that is spoken in the state of Haryana. It is closely related to the dialects of Hindi that are spoken in the neighboring states of Rajasthan and Uttar Pradesh. Haryanvi is not an official language, but it is widely spoken in the state.

Urdu is a minority language in Haryana, with about 2% of the population speaking it as their first language. Urdu is a member of the Indo-Aryan language family, and it is closely related to Hindi. Urdu is also spoken in the neighboring states of Punjab and Delhi, as well as in Pakistan.