Harry S. Littman, 76, a retired Washington lawyer who specialized in administrative and regulatory matters, died of a stroke Aug. 25 at the Manor Care nursing home in Arlington.

Mr. Littman, who lived in Arlington, was a founder of the law firm of Littman, Richter, Wright & Talisman. Much of his practice involved representing energy companies, communications firms and other regulated industries before the Federal Power Commission, the Federal Communications Commission and other regulatory bodies. He retired in 1974 for reasons of health.

A native of Newark, N.J., Mr. Littman grew up in Akron, Ohio. He earned his law degree at Ohio State University and later helped establish the John S. Knight Student Loan Fund there.

He was an attorney for the city of Akron. In 1938, he moved to Washington and joined the staff of the Federal Power Commission, where he became assistant general counsel. In 1946, he left the government and established a private law practice.

Mr. Littman was a member of the D.C., American and Federal Energy bar associations. He also was a member of the Ohio State Alumni Association and the Woodmont Country Club.

Survivors include his wife, the former Shirley Sarbey, of Arlington; two children, Linda Goldin of Falls Church, and Laurence Littman of Atlanta, and two grandchildren.