John A. (Jack) Keller, 57, a retired Coast Guard chief warrant officer who was a veteran of World War II, died Sunday at his home in La Plata, Md. He had cancer.

Mr. Keller was a native of Lynch, Neb. He enlisted in the Coast Guard in June 1941 and served in the Pacific during World War II.He participated in the battle of Midway.

After the war, he spent tours in St. Louis, Mo., and Yorktown, Va., as well as aboard a Coast Guard cutter in the Great Lakes. From 1960 to 1964, and again from 1967 to 1973, he served at Coast Guard headquaters in Washington, where he was an administrative assistant in the personnel division.

Following his retirement from active duty in 1973, Mr. Keller has been deputy comptroller of the Retired Officers Association in Alexandria.

Mr. Keller served two terms, the first in the mid-1960s and the second in the early 1970s, as president of the Chief Warrant & Warrant Officers' Association. He also was named a Distinguished Member of that organization.

He was a member of the United Methodist Church of La Plata, Md.

Survivors include his wife of 35 years, Darlene M., a son, John L., and his mother, Irene L. Keller, all of La Plata.