Michael Mickett, 59, an official of the Federal Home Loan Bank Board and a government employee for more than 30 years, died at Suburban Hospital Saturday as the result of an internal hemorrhage.

Mr. Mickett was the acting director of the office of finance of the Federal Home Loan Bank at the time of his death. He was responsible for the board's investment activities. He began his career with teh agency in 1956 as an investment analyst. Prior to that time, he had worked for the old Reconstruction Finance Corporation, which he joined in 1945, and then for the Treasury in 1945, and then for the Treasury Department.

Mr. Mickett was born in Rahway, N.J., and graduated from Ryder Business College in New Jersey. He served in the U.S. Marine Corps in World War II and then moved to the Washington area.

He was a member of the Lutheran Church of St. Andrew in Silver Springs and had thought Sunday School there.

Survivors include his wife, Anna Mickett, of the home in Rockville; three children, Martin, of the home, Michelle, of Washington, and Mark, of New York; two brothers, Charles Mickett, of Allenwood, N.J., and his parents, Mr. and Mrs. Charles Mickett, of Princeton, N.J.