Wacca may refer to:

• Wacca, Ethiopia, a town in central Ethiopia
• Wacca Airport (IATA airport code: WAC; ICAO airport code: HAWC), Wacca, Ethiopia
• Wacca (video game) (stylized WACCA; Japanese: ワッカ), a 2019 Japanese rhythm arcade game
• Wacca Kazombiaze (born 1979), a Namibian rugby player
• Wacces or Wacca (6th century), an Ostrogoth commander
• Jimmy Walker (footballer, born 1973), a British soccer player nicknamed "Wacca"
• Wacca's, a 2024 marketing campaign rename of McDonald's in the Philippines; see List of McDonald's marketing campaigns