| Kaarlo Halttunen | |
| Birth Date: | 18 August 1909 |
| Birth Place: | Lappeenranta, Viipuri Province, Grand Duchy of Finland |
| Occupation: | Actor |
| Yearsactive: | 1933-1970 |
Kaarlo Halttunen (18 August 1909 - 8 March 1986) was a Finnish actor. He appeared in 87 films and television shows between 1933 and 1970. He starred in the film Yksityisalue, which was entered into the 13th Berlin International Film Festival.