Herbert Lionel Bullock (1885 – September 1967) was a British trade unionist.

Born in Bristol, Bullock began working at the age of eleven.^[1] He joined the National Union of Gas Workers and General Labourers early in life.^[2] His union merged into the National Union of General and Municipal Workers (NUGMW), and in 1926, he began working for it full-time. In 1935, he was appointed as the NUGMW's National Industrial Officer, and this led, two years later, to a seat on the General Council of the Trades Union Congress (TUC).^[1]

Bullock devoted the remainder of his working life to the union, chairing the TUC's education and local government committees, serving for the International Labour Organization, and taking a particular interest in adult education. He also sat on the National Arbitration Tribunal Panel, and the Royal Commission on Taxation and Profits.^[1]

Bullock was elected as President of the TUC for 1950, following which, he retired. In retirement, he still continued to attend the TUC as a guest, and died in 1967 in a hotel in between sessions of congress.^[1]