A. Kyle Bettilyon, a prominent real estate investor, died of cancer June 30, 1988, at his home.

Mr. Bettilyon, 73, was president of Bettilyon Realty & Investment Co. He has been one of Utah's biggest advocates, seeking to bring business and industry to the state since 1950.Mr. Bettilyon and his brother, B. Lue Bettilyon, bought Bettilyon Realty & Construction Co. from their father in 1950. In 1966, the brothers divided the company. Bettilyon became president of Bettilyon Realty Co., which later became Bettilyon Reality & Investment.

Mr. Bettilyon's skill in selling real estate brought him to regional prominence early in his career. He was appointed president of the Salt Lake Real Estate Board in 1956. That same year, he was elected regional vice president for the National Association of Real Estate Boards Society of Industrial Realtors. He represented Utah, Idaho, Arizona, Nevada, and California in that post.

In 1963, he was elected regional vice president of the Society of Industrial Realtors. A year later, he was one of six U.S. real estate agents selected by President Lyndon B. Johnson to serve on the U.S. Real Estate Trade Mission to Europe. The mission, sponsored by the U.S. Department of Commerce, presented highly diversified portfolios of U.S. real estate offerings to European investors.

He was elected president of the Utah Realtors in 1965.

Mr. Bettilyon was given the Salesman of the Year award by the Sales and Marketing Executives of Utah in 1970.

He became president of that group a year later. In 1972, he was elected president of the Society of Industrial Realtors.

The funeral will be Tuesday at 10:30 a.m. at Larkin Memorial Mortuary, 260 E. South Temple. Friends and family may call at the mortuary an hour before the service.

The family suggests that donations be made to the A. Kyle Bettilyon Memorial fund, University of Utah Health Sciences Center, 50 N. Medical Drive, Salt Lake City, 84132 (see obituary on Page G24).