Justas Tamulis (born 12 July 1994) is a Lithuanian professional basketball player for Þór Þorlákshöfn of the Icelandic Úrvalsdeild karla.

[1] In February 2024, Tamulis signed with Valur of the Icelandic Úrvalsdeild karla.

[2] Tamulis previously represented the Lithuanian youth squads and won three silver medals with them.

[3] Tamulis won gold medal with the Lithuanian team during the 2017 Summer Universiade after defeating the United States' team 74–85 in the final.

[4] This biographical article relating to a Lithuanian basketball figure is a stub.