| Octávio Moraes | |
| Full Name: | Octávio Sérgio da Costa Moraes |
| Birth Date: | 9 July 1923 |
| Birth Place: | Belém, Brazil |
| Height: | 1.78 m |
| Position: | Forward |
| Clubs1: | Botafogo |
| Clubs2: | Santos |
| Clubs3: | Fluminense |
| Nationalyears1: | 1949 |
| Nationalteam1: | Brazil |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 1 |
Octávio Sérgio da Costa Moraes (9 July 1923 - 19 October 2009) was a Brazilian footballer who played as a forward. He made four appearances for the Brazil national team in 1949.[1] He was also part of Brazil's squad for the 1949 South American Championship.[2]