Alex Riel (13 September 1940 – 9 June 2024) was a Danish jazz and rock drummer.

Riel recorded with, among others, Booker Ervin, Kenny Drew, Kenny Werner, Bob Brookmeyer, Thomas Clausen, Bill Evans, Eddie "Lockjaw" Davis, Donald Byrd, Don Cherry, Thad Jones, and Ben Webster.

He formed a jazz ensemble with bass player Niels-Henning Ørsted Pedersen.

[4] Riel was also a founding member in 1968 of the Danish rock group The Savage Rose.

[9] With Steve Dobrogosz With Kenny Dorham With Dexter Gordon With Karin Krog With Warne Marsh With Jackie McLean With Palle Mikkelborg With The Savage Rose With Archie Shepp With Sahib Shihab With Stuff Smith With Ben Webster With others