Ivanka Marinova Hristova (Bulgarian: Иванка Маринова Христова; born 19 November 1941 in Osikovitsa, Sofia) is a retired Bulgarian shot putter. She won the gold medal at the 1976 Summer Olympics, and the bronze in 1972. In addition she won the 1976 European Indoor Championships.
Her latest record only stood until 26 July 1976 when Czechoslovak Helena Fibingerová improved it to 21,99 metres.