Harri is a given name, and may refer to:
- Guto Harri, Welsh former BBC Chief Political Correspondent
- Harri Anne Smith, American Republican member of the Alabama Senate
- Harri Eloranta, Finnish biathlete
- Harri Hänninen, Finnish long-distance runner
- Harri Haatainen, Finnish javelin thrower
- Harri Hakkarainen, Finnish javelin thrower
- Harri Holkeri (1937–2011), Prime Minister of Finland from 1987 to 1991
- Harri Huhtala, Finnish hammer thrower
- Harri Hursti, Finnish computer programmer and former chairman of the board and co-founder of ROMmon
- Harri Jõgisalu (1922–2014), Estonian writer
- T. Harri Jones (1921–1965), Welsh poet and university lecturer
- Harri Kampman, Finnish football manager and former player
- Harri Kirvesniemi, Finnish cross country skier
- Harri Koskela, Finnish wrestler and Olympic medalist in Greco-Roman wrestling
- Harri Koskinen, Finnish designer
- Harri Linnonmaa, Finnish ice hockey player
- Harri Lorenzi, Brazilian agronomic engineer
- Harri Lumi, Estonian former Communist politician
- Harri Mänty, Swedish musician, brought up in Finland
- Harri Morgan, Welsh rugby union player
- Harri Olli, Finnish ski jumper
- Harri Õunapuu, Estonian politician
- Harri Porten, German software engineer
- Harri Roschier, Finnish entrepreneur
- Harri Rovanperä, Finnish rally driver
- Harri Siljander (1922–2010), Finnish boxer
- Harri Sjöström, Finnish saxophonist who specializes in the soprano saxophone
- Harri Stojka, Austrian jazz guitarist
- Harri Tiido, Estonian diplomat
- Harri Toivonen, Finnish rally and race car driver
- Harri Webb (1920–1994), Anglo-Welsh poet, journalist and Welsh nationalist
