Patrick H. McLaughlin, 64, a former official of the American Municipal Association and a vice president of a public relations firm here, died of cancer and kidney failure June 13 at a nursing home in Aurora, Col. He had lived in Denver since 1978.

Mr. McLaughlin, who lived in Washington from 1958 to 1971, was a native of Pennsylvania. He served in the Army in the Southwest Pacific during World War II. After the war, he was a news correspondent in the Far East for the old International News Service. He later worked for INS in Washington and New York and for the old Philadelphia Record.

In 1958, he moved here as a lobbyist for the city of Philadelphia. He also represented San Diego, Calif., and was director of federal activities for the American Municipal Association. In 1962, he became a vice president of Ruder & Finn, a public relations firm. He later returned to his job as lobbyist for Philadelphia.

His marriages to Annabelle McLaughlin and Barbara McLaughlin ended in divorce.

Survivors include a daughter by his first marriage, Patricia Anne Meyer of Denver; a brother, William L., of Paoli, Pa.; a sister, Mary McLaughlin of Philadelphia, and four grandchildren.