Siba or SIBA may refer to:
Places Siba, Luocheng County, Guangxi, China, a town Siba State, a princely state of India until 1947 Siba subdistrict, Basra Governorate, Iraq Šiba, a village in Bardejov District, Slovakia Siba Castle, a Sassanid castle in Kukherd District, Iran
People Siba culture, a Bronze Age culture in China from the 14th to 11th century BC Sutanphaa or Siba Singha, king of Assam from 1714 to 1744 Hajrudin Krvavac (1926–1992), Bosnian film director nicknamed "Šiba" Siba Mtongana (born 1984), South African chef, host of the TV show Siba's Table Siba Shakib, Iranian/German filmmaker, writer and political activist Siba (singer), Brazilian singer Sérgio Roberto Veloso de Oliveira (born 1969) Rhizlane Siba (born 1996), Moroccan track and field athlete Walter Siba, the third Anglican Bishop of Ysabel, Melanesia
Acronyms SIBA (retailer), a Swedish home electronics retail chain, now Net On Net SIBA Elektrik G.m.b.H, also SIBA Electric Ltd, former manufacturers of the Dynastart combined starter motor and alternator Society of Independent Brewers, an association representing brewing companies in the United Kingdom Southern Independent Booksellers Alliance, a trade association representing booksellers in the United States
Other uses Siba (GCHP Stone Run Afternoon Tea), Best in Show winner of the 2020 Westminster Kennel Club Dog Show Siba, a prototype character who did not make it into the Virtua Fighter video game series
See also Sibah (born 1970), Bolivian singer-songwriter