Roi Et Rajabhat Institute was enacted as a royal decree to establish it in the Royal Gazette, Volume 118, Section 59 KOR, dated July 20th, 2001. Later on, June 10th, 2004, Roi Et Rajabhat Institute was renamed Roi Et Rajabhat University on His Majesty the King signed and stamped the Rajabhat University Act in The Royal Gazette, Volume 121, Special Section 23 KOR, dated June 14th, 2004.