Finnish •
Riku Hahl (born 1980), Finnish NHL hockey player •
Riku Heini (born 1990), Finnish footballer for FC Lahti •
Riku Helenius (born 1988), Finnish NHL hockey player •
Riku Immonen (born 1974), Finnish professional Muay Thai kickboxer and active muay thai coach •
Riku Jääskä (born 1998), Finnish footballer •
Riku Kiri (born 1963), Finnish sportsman •
Riku Korhonen (born 1972), Finnish writer and journalist •
Riku Korhonen (gymnast) (1883–1932), Finnish gymnast •
Riku Nieminen (born 1986) Finnish actor and dancer •
Riku Paularinne (born 1988), Finnish football coach •
Riku Pitkänen (born 1991), Finnish former ice hockey forward •
Riku Pöytäkivi (born 1993), Finnish swimmer •
Riku Rantala (born 1974), Finnish journalist and presenter •
Riku Riski (born 1989), Finnish footballer •
Riku Selander (born 1994), Finnish footballer •
Riku Sjöroos (born 1995), Finnish footballer •
Riku Toivo (born 1989), Finnish professional ice hockey player
Japanese • , Japanese kickboxer • , Japanese footballer • , Japanese professional footballer • , Japanese footballer • , Japanese footballer • , Japanese footballer • , Japanese badminton player • , Japanese football player • , Japanese footballer • , Japanese footballer • , Japanese professional boxer • , Japanese kickboxer • , Japanese footballer • , Japanese professional footballer • , Japanese footballer • , Japanese novelist • , Japanese figure skater • , Japanese footballer • , Japanese kickboxer • , Japanese footballer • , Japanese footballer • , Japanese footballer • , Japanese member from
NiziU • , Japanese writer • , Japanese footballer • , Japanese manga artist • , Japanese footballer • , Japanese speed skater • , Japanese professional baseball catcher • , Japanese footballer • , Japanese footballer • , Japanese curler
Other nationalities •
Riku Lätti (born 1973), South African singer, songwriter and writer •
Riku Morgan, Nigerian Airforce officer ==Fictional characters==