Robert Antinis (1898 m. On 3 December. Kaldabrunioje, Ilūkste county, Latvia - 1981. November 19. Kaunas) - Lithuanian painter and sculptor.
He attended Rokiškis, 1921-1922 m. drawing courses in Kaunas, 1922-1927 m. Kaunas art school sculpture section (1922-1925 m. Painting with Justin Vienožinskis, 1925-1927 m. Sculpture at Kajetonas sclera). 1928-1933 m. He studied at the Paris Higher School of Decorative Arts (Ecole Nationale Superieure des Arts Decoratifs).

1933-1940 m. Taurage and Kaunas taught in secondary schools in 1940-1951. Kaunas Applied and Decorative Art Institute. His disciples: Konstantin Bogdan, Gediminas Jokubonis, Kazimierz Kisielis, Jadwiga Mozūraitė-Klemkienė, Leon fishing and so on. Since 1933. He participated in exhibitions. Since 1936. Lithuanian Artists' Association. Petrašiūnai buried in the cemetery.