Sir Robert Richmond Rex KBE CMG (25 January 1909 – 12 December 1992) was the first Premier of the Pacific island state of Niue.
He later settled down in Alofi, the capital of Niue, with his wife of that village, Patricia Rex, QSM (1918–2004).
His Cabinet of Ministers included prominent Niuean figures such as Dr Enetama Lipitoa, Mititaiagimene Young Vivian and Frank Fakaotimanava Lui, the latter two also going on to become Premiers of Niue.
In the 1973 New Year Honours, Rex was made an Officer of the Order of the British Empire, for valuable services to the people of Niue.
[4] Rex was the first Niuean to receive a knighthood, being appointed a Knight Commander of the Order of the British Empire in the 1984 New Year Honours.