Katuka-raja (IAST: Kaṭukarāja, r. c. 1145–1148 CE) was an Indian king belonging to the Naddula Chahamana dynasty.
He ruled the area around Naddula (present-day Nadol in Rajasthan), after seizing the power from his relative Rayapala.
Based on this, historian R. B. Singh believes that he captured Naddula with help of the Chaulukya emperor Kumarapala.
Singh further theorizes that following Jayasimha's death, Katukaraja may have helped Kumarapala in a war of success against a rival claimant to the Chaulukya throne.
[1] According to a Sewari inscription, as a prince, Katukaraja made a donation to Jains for the worship of Shantinatha, on the occasion of Shivaratri.