| Welissa Gonzaga | |
| Fullname: | Welissa de Souza Gonzaga |
| Nickname: | Sassá |
| Nationality: | Brazilian |
| Birth Date: | 9 September 1982 |
| Birth Place: | Barbacena, Minas Gerais, Brazil |
| Height: | 1.790NaN0 |
| Weight: | 760NaN0 |
| Spike: | 3000NaN0 |
| Block: | 2870NaN0 |
| Position: | Outside spiker / Libero |
| Nationalyears: | 2002–2015 |
Wélissa de Souza Gonzaga, (born 9 September 1982), best known as Sassá, is a Brazilian volleyball player. With the national team, she won the gold medal at the 2008 Olympic Games in Beijing.
Vasco da Gama (2000–2001) Rexona-Ades (2001–2008) Finasa/Osasco (2008–2009) Sollys/Osasco (2009–2011) SESI-SP (2011–2013)
MKS Dąbrowa Górnicza (2013–2014) Praia Clube Uberlândia (2014–2015) Brasília Vôlei (2015–2016) Fluminense FC (2016–2019) Itajaí Vôlei (2020) Curitiba Vôlei (2020–2021) Moda Brusque (2021–2023)
Athletes Unlimited Volleyball (2023) Mackenzie Esporte Clube (2023–)