Ian Brennan

Ian Brennan may refer to:

• Ian Brennan (cricketer) (born 1930), New Zealand cricketer
• Ian Brennan (footballer) (born 1953), English former footballer
• Ian Brennan (music producer) (born 1966), American music producer
• Ian Brennan (sculptor) (born 1950), British sculptor
• Ian Brennan (writer) (born 1978), American television writer, actor, producer and director