| Ian Barker | |
| Nationality: | British |
| Birth Place: | Cardiff, Wales |
| Height: | 183 cm |
| Weight: | 76 kg |
| Classes: | 49er |
| Club: | Penarth Yacht Club Hayling Island Sailing Club |
| Show-Medals: | yes |
Ian Barker (born 10 August 1966 in Cardiff) is a British sailor. He won a silver medal in the High Performance Dinghy class at the 2000 Summer Olympics with Simon Hiscocks. He lives in Christchurch, England. He coached the Irish 49er team for Rio 2016 Olympics.[1]