Robert Wylie McGregor (31 December 1874 — 22 November 1925) was a New Zealand rugby union international.

[1] McGregor, the youngest of six brothers, was born in Thames, Waikato.

[2] An Auckland provincial player, McGregor was a versatile back, principally playing at centre.

He was capped twice by the All Blacks, debuting as a centre against Australia at the Sydney Cricket Ground in 1903 and scored a try in the 22–3 win.

His second cap came as a fullback against Great Britain the following year in Wellington.