| Helmuth Räästas | |
| Fullname: | Helmuth-Voldemar Räästas |
| Birth Date: | 20 January 1903 |
| Birth Place: | Tallinn, Governorate of Estonia, Russian Empire[1] |
| Clubs1: | Tallinna Kalev |
| Nationalteam1: | Estonia |
| Nationalyears1: | 1926–1937 |
| Nationalcaps1: | 20 |
| Nationalgoals1: | 3 |
Helmuth Räästas (born 20 January 1903, date of death unknown) was an Estonian footballer. He played in 20 matches for the Estonia national football team from 1926 to 1937.[2] He was also named in Estonia's squad for the Group 1 qualification tournament for the 1938 FIFA World Cup.[3]
Räästas' whereabouts after 1945 are unknown.