Frisher (Frischer) Zelik (Selik) Ioshua (Joschua) (17 July 1936, Riga) — professor of urology.

In 1941 Zelik Ioshua Frisher was deported with his family to Siberia. He completed secondary school in Yartsevo, Krasnoyarsk region. From 1954 to 1960 he studied at the Krasnoyarsk Medical Institute and later at the Leningrad Medical Institute.

After graduating, he worked in surgical and urological departments of hospitals in Daugavpils, Tver (then Kalinin), and Saint Petersburg (then Leningrad).

In 1972 he emigrated to Israel, where he worked at the Rabin Medical Center (Beilinson Hospital). In 1981 he moved to the United States and worked at Beth Israel Hospital in New York. From 1984 he worked in the Department of Urology and Kidney Transplantation at the Stony Brook University.

He was among the pioneers of kidney transplantation in Israel. At Stony Brook University he founded the genitourinary reconstruction service specializing in patients after kidney transplantation. He developed an innovative method of reconstructive surgery and was a member of numerous medical societies.