Arun Kumar may refer to:

• Arun Kumar (Bihar politician) (born 1959), former member of the Indian Parliament
• Arun Kumar (Uttar Pradesh politician) (born 1948), Indian physician and member of Uttar Pradesh Legislative Assembly
• Arun Kumar (administrator) (born 1953), Indian civil servant
• Arun Kumar (Himachal Pradesh politician) (born 1961), Indian politician
• Arun M. Kumar (born 1952), former chairman and CEO of KPMG in India
• Arun Kumar Aravind (born 1977), Indian film director, editor and producer
• Arun Vijay (born 1974), previously credited as Arun Kumar, an Indian actor
• Uttam Kumar (1926–1980), birth name Arun Kumar Chatterjee
• Arun Kumar (bowls) (born 1961), Indian-Fijian international lawn bowler
• Stage name of Gururajulu Naidu (1931–1985), Indian musician
• Atlee (director), (born 1986) Indian filmmaker, real name Arun Kumar

• All pages with titles beginning with Arun Kumar
• Arunkumar, alternative spelling of the Indian male given name