F. Frank Rubini, 67, retired director of parks of the Maryland-National Capital Park and Planning Commission, died Friday in a Miami hospital after a heart attack. He was in Florida on family business.

Mr. Rubini served as associate director of parks for Montgomery County from 1957 to 1971 and then as park director until retiring five years later.

He had been president of the Association of Montgomery County Administrators in 1973 and lectured on parks and recreation at area universities. He was a part-time professor at Montgomery College and American University from 1957-1970.

He was active in several professional organizations. He helped organize, then served as chairman and publisher of the Annual Directory of the Maryland Recreation and Parks Association.

Mr. Rubini was a member of the personnel standards committee and had been chairman of the salary study committee of the National Recreation and Parks Association.

He was given the "Distinguished Citizen Award" by former Maryland governor Marvin Mandel in 1972. His other awards included those from the Maryland state legislature, the Suburban Maryland Home Builders Association, and the Silver Spring Chamber of Commerce.

Mr. Rubini had been a member of the Montgomery County Bicentennial Commission and the Governor's Physical Fitness Commission in Prince George's County. He was a member of the National Park Service's editorial board and was a member of the Governor's Commission for the Study of to 1978.

Prior to joining the Park and Planning Commission, he had been athletic director and head football coach at Montgomery College from 1947 to 1957. During these years his football teams posted a record of 132 wins and 38 losses.

Mr. Rubini was a native of Oak Park, Ill. He was a 1935 graduate of the University of Wisconsin where he earned a bachelor's degree in physical education.

From 1943 to 1947, he was associate professor of physical education, assistant football coach and head boxing coach at the University of Maryland. aHe served with the Navy in both the Atlantic and Pacific during World War II.

Mr. Rubini was a resident of Silver Spring.

His wife, the former Catherine M. Kelly, died in 1978.

Survivors include two daughters, Lenore R. Broughton of Silver Spring, and Jo-Ann R. Hilliard of Fairfax; a son, Ronald V., of Silver Spring; two stepbrothers, Dr. Bruno Virgili of California, and nine grandchildren.

The family suggests that expressions of sympathy be in the form of contributions to the Maryland Recreation and Parks Association Frank Rubini Scholarship Fund at 4000 Queen Mary Dr., Olney, 20832.