Justinas Lagunavičius, Lithuanian basketball player (d. 1997)
Justinas Lagunavičius (September 4, 1924 – July 15, 1997) was a Lithuanian basketball player who competed for the Soviet Union in the 1952 Summer Olympics. He trained at VSS Žalgiris in Kaunas.He was a member of the Soviet team, which won the Olympic silver medal in 1952. He played five matches.