Robert Halliday may refer to:
Robert Halliday (bishop) (1932–2025), bishop of Brechin Robert Halliday (footballer) (born 1986), Scottish football defender Robert Halliday (businessman) (–1840), Scottish-American businessman
See also Robert Halliday Gunning (1818–1900), Scottish surgeon, entrepreneur and philanthropist. Robert Holliday (1933–2014), American politician. Robert Cortes Holliday (1880–1947), American writer and literary editor