Radivilias (, ) is a Latin epic poem by Jonas Radvanas published in 1592. It is one of the major works of the 16th-century Lithuanian literature and one of the best examples of Renaissance literature in Lithuania. It uses hexameter and has 3,302 lines divided into four parts. It is dedicated to Mikołaj "the Red" Radziwiłł (1512–1584) and his major military victories in the Livonian War.