Uffe Eskild Markussen (born September 19, 1952, Frederikshavn) is a Danish jazz reedist, who plays primarily tenor saxophone and bass clarinet.
Markussen was a student at the Royal Danish Academy of Music and played in his early career with an ensemble called Tømmermændene.
In 1985 he began playing in Niels Jorgen Steen's group A-Team, and founded the six-piece ensemble Orbit the following year.
In 1989 he began playing with the Radioens Big Band and in 1991 with Avantgarden Party.
Other associations include performing or recording with Frans Bak, Ben Besiakov, Joaquin Chacon, Trine Dansgaard, Pierre Dorge, Kjeld Ipsen, Fredrik Lundin, and Niels-Henning Ørsted Pedersen.