Joughin is a Manx surname. Notable people with the surname include:
- Charles Joughin (1878–1956), English-American chef
- John Joughin, ex Vice-Chancellor of the University of East London
- Jonathan Joughin, Manx Member of the House of Keys
- Sierah Joughin (1996–2016), American woman who was abducted and murdered in Delta, Ohio
- Steve Joughin (born 1959), Manx cyclist