Walter Harold Alldritt (4 July 1918 – 27 July 1990) was a British Labour politician. Alldritt was educated at St Francis de Sales School, and the University of Liverpool. He served in the forces during World War II, then became a trade union official. From 1955 to 1967, he represented the Sandhills ward on Liverpool City Council. He also served as president of the Liverpool Labour Party and Trades Council, at the time, the youngest person to have held the post.