Nandan Bal (born 1 September 1959) is an Indian tennis coach and former professional player. He has coached India in both the Davis Cup and Fed Cup since retiring as a player.
Bal, a right-handed player from Pune who represented India in two Davis Cup ties, was a singles silver medalist for India at the 1979 Universiade and also won a silver medal at the 1982 Asian Games, in the team event.
On his Davis Cup debut, against South Korea in the 1980 tournament, Bal had a singles win over Kim Choon-ho and partnered with Sashi Menon to a win in the doubles, before losing the deciding fifth singles rubber to Jeon Young-dai. His other Davis Cup appearance came against Thailand in 1983, with his contribution a win in the final reverse singles, to secure a 5–0 clean sweep of the tie.