Petro Karyshkovsky-Ikar (Ukrainian: Петро Йосипович Каришковський; March 12, 1921, Odesa – March 6, 1988, Odesa) was a Ukrainian Soviet historian, numismatist, a scholar and lexicographer. Doctor of Historical Sciences, professor, since 1963 and until his last days he headed the department of ancient history and medieval Odesa University.