Jalmar Leonard Sjöberg (born 31 March 1985) is an amateur Swedish Greco-Roman wrestler.

Sjöberg qualified for the 120-kg category in men's Greco-Roman wrestling at the 2008 Summer Olympics in Beijing, after winning the championship title at the World Qualification Tournament in Novi Sad, Serbia.

He first defeated Poland's Marek Mikulski, and Azerbaijan's Anton Botev in the first two preliminary rounds.

[2] Following a defeat for Byers, Sjöberg fought against, and thereby lost to Cuba's Mijaín López, who emerged as the top favorite for this category, in the semi-final match, without receiving a technical score.

This biographical article relating to a Swedish sport wrestler or wrestling coach is a stub.