Justinas is a masculine Lithuanian given name, equivalent to Justin. Notable people with the name include:Justinas Beržanskis, Lithuanian steeplechase runner Justinas Januševskij, Lithuanian footballer Justinas Kinderis, Lithuanian modern pentathlete Justinas Lagunavičius (1924–1997), Lithuanian basketball player Justinas Marazas, Lithuanian footballer Justinas Marcinkevičius (1930–2011), Lithuanian poet and playwright Justinas Pranaitis (1861–1917), Lithuanian Catholic priest Justinas Staugaitis (1866–1943), Lithuanian Roman Catholic bishop, politician, educator and writer Justinas Usonis, Lithuanian lawyer and legal scholar