Garg is an Indian surname. Notable people with the surname include:
- Alice Garg (born 1942), Indian educator, activist and founder of NGO BAl Rashmi society
- Ankit Garg, Indian police superintendent
- Anu Garg (born 1967), American author and speaker
- Balwant Gargi (1916-2003), Punjabi-language writer, theater director, and academic, who used the name Gargi as a self-adopted variation of Garg
- Heiner Garg (born 1966), German politician (FDP)
- Mridula Garg (born 1938), Indian writer
- Neil Garg, American chemist
- Pushpendra Kumar Garg (born 1963), Indian sportsperson in yachting
- Rajinder Garg (born 1966), Indian politician
- Ramesh Garg, dean of student and alumni affairs in IIT Ropar
- Sugandha Garg (born 1982), Indian film actress, singer and television host
- V. K. Garg, Indian education administrator working as Dean in CUPB
- Vishal Garg, Indian researcher in IT in building science
- Vishal Garg (businessman), Indian-American entrepreneur
- Zubeen Garg (born 1972), Indian singer, music director, composer, songwriter and actor