Guga may refer to:

• Guga River (Romania), tributary of the Iada River in Romania
• Guga River (Papua New Guinea)
• Guga, a village in Cășeiu Commune, Cluj County, Romania
• Gugga, a figure in Panjab legend
• Aurel Guga (1898-1936), former Romanian footballer.
• Bledion Guga (born 1986), Albanian footballer
• Guga, Alexandre da Silva (born 1964), Brazilian footballer
• Gustavo Kuerten (born 1976), Brazilian tennis player
• Guga, José Augusto Santana Santos, (born 1977), Brazilian footballer
• Guga, Cláudio Rodrigues Gomes, (born 1998), Brazilian footballer
• Guga (Punjab), a village near to Amritsar in India, where Jassa Singh Ramgarhia was born
• in Highland English, to a young gannet
• in quantum chemistry to the Graphical Unitary Group Approach (GUGA)

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