Johnny Răducanu (born Răducan Crețu; 1 December 1931 – 19 September 2011) was a Romanian Romani jazz pianist, whose family has a long musical tradition dating back to the 17th century.

He was born in Brăila and started playing the double bass at the age of 19 before switching to piano. During his musical career, some of his many collaborations outside Romania were those with Art Farmer (trumpet) and Slide Hampton (trombone), and Friedrich Gulda (piano). In 1987, Răducanu received an honorary membership in the Louis Armstrong Academy in New Orleans. He was the founder of the Romanian Jazz school, and during a musical career spanning over half a century, he discovered, nurtured and trained several generations of Romanian jazz musicians. Leonard Feather called him "Mr. Jazz of Romania". He was the President of the Romanian Jazz Federation. Răducanu was married to Geta Costin from 1962 to 1970.

Răducanu died at his apartment in Oltarului Street in Bucharest and is interred in a local cemetery in Cernica, Ilfov County, close to the capital.