Joshi is a surname used by the Brahmin (caste) in India and Nepal. Joshi is also sometimes spelled as Jyoshi. The name is derived from the Sanskrit word Jyotishi meaning "astrologer" or a person who practices jyotisha. Jyotisha refers to Hindu astrology and astronomy and is derived from jyotish ("light bringer or reflect light like sun"). Joshi is a common family name in Delhi, Gujarat, Karnataka, Madhya Pradesh, Maharashtra, Odisha, Haryana, Punjab, Rajasthan, Uttarakhand, Goa and Uttar Pradesh in India. Notable individuals.
https://en.wikipedia.org/wiki/Joshi