Sofia Prazeres (born 19 June 1974) is a former professional tennis player from Portugal.

Prazeres debuted on the WTA Tour as a 16 year old at the 1990 Estoril Open, featuring in both the singles and doubles draws.

In 1991, she began representing Portugal in Fed Cup competition and went on to become the most capped player in the team's history, with 30 wins from 49 matches.

After making it to the final round of qualifying at the 1997 French Open, she reached her highest singles ranking of 152 in the world.

This was the highest rank attained by a female player from Portugal until surpassed by Frederica Piedade.