Lava Kusa (also spelled as Lava Kusha) is a 1963 Indian Hindu mythological film directed by C. S. Rao and his father C. Pullayya. The film was scripted by Sadasivabrahmam, Samudrala Sr. along with C. S. Rao and C. Pullayya. The film was produced by Sankara Reddy under Lalita Sivajyothi Films. Lava Kusa is the first full-length colour film of Telugu cinema.The film was a remake of 1934 film of same name which was also directed by C. Pullayya. The story is an adaptation of the Uttara Kanda from Ramayana. It revolves around the roles of Lava and Kusa, sons of Rama (N. T. Rama Rao) and Sita (Anjali Devi). Chittoor Nagayya, Kantha Rao, Sobhan Babu, S. Varalakshmi, Kaikala Satyanarayana play supporting roles. The film was shot in both Telugu and Tamil languages with the same title, but with slight differences in the cast.

Production began in 1958 but was stopped due to financial constraints. When it restarted, C. Pullayya's health was deteriorating, so his son C. S. Rao took over. The soundtrack features 27 songs, with the musical score primarily composed by Ghantasala and K. V. Mahadevan, and the lyrics by Sadasivabrahmam and Samudrala Sr. (Telugu) and Maruthakasi (Tamil). The Telugu version of Lava Kusa was released on 29 March 1963, while the Tamil version was released the following month, on 19 April. The former won the National Film Award for Best Feature Film in Telugu for that year. It was also dubbed in Kannada, and later in Hindi in 1974. In 2011 the film was rebooted with the title Sri Rama Rajyam starring Nandamuri Balakrishna and Nayanthara in the lead.