Last name Ülle (Ülle 
) , worldwide, is an extremely rare surname. The cognomen Ülle is habitual in Northern Europe, particularly Finland, where it is a very rare surname. Much more prevalently, Ülle is the forename as well as the last name.
Asi, Übius, Madise, Murula, Kallas, Kaskla, Koppel, Pärnoja, Eelmaa, Mustkivi, Männik, Arulaid, Krikmann, Piirmets, Raudsepp, Lappard, Liesvirta, Haukanõmm, Sillasoo, Sergejev, Karlsson, Johanson, Ulman, Ilves, Vilgo, Toode, Ots, Oja, Matt, Susi, Suur, Sepp, Kant, Kass, Kase, Kukk, Niinemäe, Parm, Lepp, Tamm, Velt, Olen, Kuuda, Pahla, Pärl, Lepik, Lõhmus, Talts, Lass, and Dreifeldt