Strachan is a surname of Scottish origin (see Clan Strachan, Strachan Baronets), which may be pronounced 'Strawn' or 'Strak-han'. Notable people with the surname include:
Andy Strachan, drummer
Anthonique Strachan, Bahamian runner
Archibald Strachan, Scottish soldier
Douglas Strachan, Scottish designer of stained glass windows
Gavin Strachan, Scottish footballer
Graeme Strachan, Australian singer and television personality, known as "Shirley" Strachan
Gordon Strachan, Scottish footballer and manager
Gordon Strachan (minister) (1934–2010), Church of Scotland minister, theologian, university lecturer and author
Gordon C. Strachan, aide to H R Haldeman
Harcus Strachan, VC
Hew Strachan, military historian
Hugh Strachan, Scottish footballer
James Strachan (ice hockey), Canadian ice hockey executive
James Strachan (programmer), developer of the Apache Groovy programming language
James McGill Strachan, Canadian lawyer
Sir John Strachan, 5th Baronet, British captain
John Strachan (1778–1867), Anglican bishop in Canada
John Strachan (linguist), scholar of Celtic languages
John Strachan (singer)
Keith Strachan, (composer, theatre director)
Linda Strachan, Scottish author
Merrill Strachan, Canadian politician
Michaela Strachan, British TV presenter
Matthew Strachan, songwriter
Sir Richard Strachan, 6th Baronet, British admiral
Steve Strachan (sheriff), American law enforcement officer and politician
Zoë Strachan, Scottish novelist