Lieven Scheire (born 3 May 1981) is a Belgian comedian, presenter and science communicator.

Scheire attended secondary school at the Sint-Lodewijkscollege in Lokeren; he then began a physics degree at Ghent University, but dropped out to become a stand-up comedian.

Scheire also did a year long stint as an exchange student in Reykjavík, Iceland where he attended Fjölbrautarskólinn í Breiðholti Neveneffecten (a cabaret quartet founded by him and his cousin Jonas Geirnaert) won the jury prize at the Groninger Studenten Cabaret Festival in 2003.

Scheire has become well-known among the Flemish public for his work in science communication.

He is the go-to science communicator for several media outlets, has hosted several science shows, created and hosts the popular podcast 'Nerdland Podcast' and is a co-organiser of the Nerdland Festival.