Mallalieu is a surname, and may refer to:
Albert Mallalieu (1904–1991) English cricketer Andrew Mallalieu, Barbadian politician Ann Mallalieu, Baroness Mallalieu (born 1945) English politician and lawyer, daughter of William Mallalieu Aubrey Mallalieu (1873–1948) English actor Frederick Mallalieu (1860–1932) English politician; father of Lance and William Mallalieu H. L. Mallalieu (born 1946), Irish writer on art and antiques Harry Mallalieu (1896–1981), English footballer J. P. W. Mallalieu (1908–1980) English politician Sir Lance Mallalieu (1905–1979) English politician Thomas Mallalieu (c.1858–1935), British trade unionist Willard Francis Mallalieu (1828–1911) American Methodist bishop William Mallalieu (1908–1980), British politician, journalist and author