Thomas Lægaard Sørensen (born 15 August 1971 in Pindstrup [da], Syddjurs), known by the stage name Kølig Kaj (kølig being Danish for 'cool'), is a Danish rapper who gained national fame in 1997 by winning Dansk Melodi Grand Prix with his song "Stemmen i mit liv".^[1][2][3] He went on to represent his country at the Eurovision Song Contest 1997, where he placed 16th with 25 points.

He released an album called Solgt ud!.^[when?] He also featured on "Hvem er det der banker", the final track on Danish hip hop act Hvid Sjokolade [da]'s 1996 album Så'n er vi. The track also credited to feature Klart Dér, Joker Jay, Humleridderne, Pervers, Isbjerg, Malk De Koijn, Jimmy and Dj Pladespiller.