Beldon Katleman (July 14, 1914 – September 28, 1988) was an American businessman. Katleman was the owner of El Rancho Vegas, a hotel casino in Las Vegas, Nevada, where he invented the buffet for guests. The El Rancho Vegas was the first full service hotel casino built on the Las Vegas Strip. The El Rancho Vegas opened in 1941. Katleman was an investor in two other Las Vegas casinos, the Frontier Hotel and the Silver Slipper.