Ollie

• Ollie Marie Adams (1925–1998), American gospel and R&B singer
• Ollie Bassett (born 1998), Northern Irish footballer
• Ollie E. Brown (born 1953), American drummer and record producer
• Ollie Grieve (1920–1978), Australian rules footballer
• Ollie Halsall (1949–1992), British vibraphonist and guitarist
• Ollie Murray James (1871–1918), American Senator and Representative from Kentucky
• Ollie Johnson (basketball, born 1942), American basketball player
• Ollie Johnson (basketball, born 1949), American basketball player
• Ollie Kilkenny (born 1962), Irish hurler
• Ollie Kirkby (1886–1964), American actress
• Ollie Luba (born 1964), American systems and aerospace engineer, early developer of GPS III
• Ollie Marquardt (1902–1968), American baseball player and manager
• Ollie Matson (1930–2011), American sprinter and football player
• Ollie Pope (born 1998), English cricketer
• Ollie Phillips (rugby union) (born 1983), English rugby union player
• Ollie le Roux (born 1973), South African rugby union footballer
• Ollie Imogene Shepard (1933–2016), pioneering American honky-tonk singer-songwriter
• Ollie Voigt (1899–1970), American baseball player

• Olie Cordill (1916–1988), American football player
• Olié Koffi, (born 1984), Ivorian footballer
• Olaf Kölzig (born 1970), German former ice hockey goaltender known as "Olie the Goalie"
• Olie Sundstrom (born 1968), retired Swedish ice hockey goaltender

• Olly Alexander (born 1990), English singer, songwriter and actor, lead singer of the band Years & Years
• Ollie Baker (born 1974), retired Irish hurler
• Ollie Banks (born 1992), English footballer
• Olly Barkley (born 1981), English rugby union player
• Ollie Canning (born 1977), Irish hurler
• Ollie Clarke (born 1992), British footballer
• Oliver Davies (disambiguation), several people
• Ollie Dobbins (born 1941), American football player
• Ollie Fahy (born 1975), Irish hurler
• Oliver Hardy (1892–1957), American comic actor best known as half of the Laurel and Hardy duo
• Ollie Hoskins (rugby union) (born 1993), Australian rugby union player
• Ollie Johnson (basketball, born 1942), American college basketball player
• Ollie Johnston (1912–2008), American film animator, one of Disney's famed "Nine Old Men"
• Olly Lee (born 1991), English footballer
• Ollie Locke (born 1987), British reality television personality
• Ollie Moran (born 1975), Irish hurler
• Oliver North (born 1943), American military officer and political commentator
• Ollie Pope (born 1998), English cricketer
• Oliver Riedel (born 1971), German musician, most notably with the band Rammstein
• Ollie Satenstein (c. 1906–1959), American National Football League player
• Ollie Savatsky (1911–1989), American football player
• Ollie Sleightholme (born 2000), English rugby union player
• Ollie Spencer (1931–1991), American National Football League player and assistant coach
• Ollie Tucker (1902–1940), Major League Baseball player
• Ollie Walsh (1937–1996), Irish hurling goalkeeper
• Ollie Wines (born 1994), Australian rules footballer

• Ollie Rae (born 1988), Scottish cricketer

Olly Donner - Finnish writer

• Alan Gelfand (born 1963), known by the nickname "Ollie", American inventor of the Ollie (skateboarding) trick
• Ian Holloway (born 1963), known by the nickname "Ollie", British football manager and former player

• Ollie in the American television show Kukla, Fran and Ollie
• Ollie in the British comic strip Ollie and Quentin
• Ollie in the Canadian animated series Ollie's Pack
• Olly in The Sifl and Olly Show, a television show on MTV
• Ollie Millar, in the British soap opera Doctors
• Ollie Morgan, in the British soap opera Hollyoaks
• Ollie Pesto, in the American animated series Bob's Burgers
• Ollie Phillips, in the Australian soap opera Home And Away
• Ollie Reynolds, in the British soap opera Emmerdale
• Ollie Williams, in the American animated series Family Guy
• Ollie, a rabbit from the American animated series Wonder Pets
• Olie Miramond, Misha's deceased mother from the animated series Transformers: Energon
• Ollie the Tapir, Armstrong's Girlfriend from Jim Henson's Animal Show