Madushan is both a given name and a surname. Notable people with the name include:
Madushan Ravichandrakumar (born 1994), Sri Lankan cricketer Asela Madushan, Sri Lankan footballer Buddika Madushan (born 1990), Sri Lankan cricketer Chathuranga Madushan, Sri Lankan footballer Kavindu Madushan (born 1997), Sri Lankan model, dancer, choreographer and television actor Lakshitha Madushan (born 1992), Sri Lankan cricketer Pasindu Madushan (born 1992), Sri Lankan cricketer Pramod Madushan (born 1993), Sri Lankan cricketer Sameendra Madushan (born 1987), Sri Lankan cricketer Subash Madushan, Sri Lankan footballer Udith Madushan (born 1997), Sri Lankan cricketer
See also Madushan Dam, dam in China