Bob or Robert Lambert may refer to:
Bob Lambert (cricketer) (1874–1956), Irish cricketer Bob Lambert (undercover police officer) (born 1952), British academic, former undercover police officer who infiltrated activist groups Bob Lambert (executive) (–2012), American media executive Robert Lambert (speedway rider) (born 1998), British speedway rider Robert Lambert (Irish republican) (1896–1970), Irish republican Robert Lambert (Royal Navy officer) (1771–1836), British admiral Robert Lambert (academic) (1677–1735), English priest and academic