William Holbech may refer to:
William Holbech (bishop) (1850–1930), Bishop of St Helena, earlier Archdeacon of Kimberley and Dean of Bloemfontein William Holbech (cricketer) (1882–1914), English cricketer, killed in the First World War William Holbech (MP for Banbury) (1748–1812), English member of parliament, for Banbury, Oxon. William Holbech (MP for City of London), represented City of London