Svajūnas Adomaitis (born March 9, 1985, in Tauragė) is a retired amateur Lithuanian Greco-Roman wrestler, who competed in the men's featherweight category.

[1] He scored a ninth-place finish in the 55-kg division at the 2003 World Wrestling Championships in Créteil, France, and later represented his nation Lithuania at the 2004 Summer Olympics.

[2] Adomaitis qualified for the Lithuanian squad in the men's 55 kg class at the 2004 Summer Olympics in Athens.

Earlier in the process, he received a berth and rounded out the ninth spot from the 2003 World Wrestling Championships in Créteil, France.

[3][4] He lost two straight matches each to Georgia's Irakli Chochua and two-time Olympian Ercan Yıldız of Turkey, both by a 1–3 verdict, leaving him on the bottom of the prelim pool and placing sixteenth in the final standings.