Saru may refer to:


Iran

• Saru, ancient name of Sari, Iran
• Saru, Fars, a village in Fars Province, Iran
• Saru, Mazandaran, a village in Mazandaran Province, Iran
• Saru, Semnan, a village in Semnan Province, Iran
• Saru castles in Semnan

Japan

• Saru River, river in Hokkaido
• Saru District, Hokkaido
• Mount Saru, in the Hidaka Mountains, Hokkaido

The South African Rugby Union (SARU) is the governing body for rugby union in South Africa and is affiliated to World Rugby. It was established in 1992 as the South African Rugby Football Union, from the merger of the South African Rugby Board and the non-racial South African Rugby Union (SACOS), and took up its current name in 2005.