Vigraharāja IV (r. c. 1150–1164 CE), also known as Visaladeva, was a king from the Chauhan (Chahamana) dynasty in north-western India. He turned the Chahamana kingdom into an empire by subduing nearly all the neighbouring kings. His kingdom included major parts of present-day Rajasthan, Haryana, and Delhi; and possibly some parts of Punjab and Uttar Pradesh too.