Idowu is a surname and given name. Notable people with the name include:
Surname Akinjide Idowu (born 1996), Nigerian footballer Bolaji Idowu (1913–1995), Nigerian Methodist leader Brian Idowu (born 1992), Russian footballer Dorcas Idowu (born 1903), Cameroonian politician Olumide Idowu (born 1987), Nigerian youth campaigner and climate change activist Oluyinka Idowu (born 1972), British athlete Phillips Idowu (born 1978), British athlete Saheed Idowu (born 1990), Congolese table tennis player Yemi Idowu (born 1968), Nigerian businessperson
Given name Idowu Philips (born 1942), Nigerian actress Idowu Sofola (1934–2018), Nigerian jurist