| Birth Date: | 9 April 1889 |
| Birth Place: | Prague, Austria-Hungary |
| Death Place: | Prague, Czechoslovakia |
| Position: | Right Wing |
| Played For: | HC Slavia Praha |
| Ntl Team: | BOH |
| Ntl Team 2: | TCH |
| Career Start: | 1907 |
| Career End: | 1927 |
Otakar "Otto, Vend" Vindyš (9 April 1889 - 23 December 1949) was a Czechoslovak ice hockey defenseman who competed in the 1920 Summer Olympics and in the 1924 Winter Olympics. Vindyš was a native of Prague, Czechoslovakia.
In 1911, Vindyš won the European Championship with Bohemia.
He was a member of the Czechoslovak national team which won the bronze medal at the 1920 Summer Olympics. Four years later he also participated in the first Winter Olympic ice hockey tournament.[1]