Toivo Armas Hyytiäinen (12 November 1925 in Saarijärvi – 21 October 1978) was a Finnish track and field athlete who competed mainly in the men's javelin throw.

Toivo Hyytiäinen
Toivo Hyytiäinen at the 1952 Helsinki Olympics
Born12 November 1925
Died21 October 1978
Occupation(s)Athlete, mainly javelin
Toivo Hyytiäinen
Medal record
Men's athletics
Representing  Finland
Olympic Games
Bronze medal – third place 1952 Helsinki Javelin throw
European Championships
Gold medal – first place 1950 Brussels Javelin throw

He competed for Finland at the 1952 Summer Olympics held in Helsinki, Finland where he won the bronze medal in the men's javelin throw competition. He was also the 1950 European champion in men's javelin throw.