| Birth Date: | 26 June 1960 |
| Birth Place: | Oulu, Finland |
| Height Ft: | 5 |
| Height In: | 9 |
| Weight Lb: | 169 |
| Position: | Forward |
| Played For: | Kärpät MODO Hockey JYP |
| Career Start: | 1979 |
| Career End: | 1994 |
Pekka Arbelius (born 26 June 1960 in Oulu) is a Finnish retired ice hockey player.
Arbelius played for Kärpät, MODO Hockey and JYP. He represented Finland in five World Championships (1981, 1982, 1985, 1986 and 1990), and he also took the 1979-1980 Jarmo Wasama memorial trophy.