Don McGlashan (born 18 July 1959) is a New Zealand musician and songwriter who won fame with bands Blam Blam Blam, The Front Lawn, and The Mutton Birds. He has also played with The Bellbirds, The Plague, The Whizz Kids and percussion group From Scratch. McGlashan has composed music for film, television, and New Zealand's Limbs Dance Company.

McGlashan's first hits were with band Blam Blam Blam in the early 1980s. He later released four albums as lead singer of The Mutton Birds.