Robin Carl Bailhache, (born 4 May 1937 in Adelaide, South Australia), is a former Australian Test cricket match umpire.
His first match was between Australia and England at Brisbane from 29 November to 4 December 1974, won by Australia by 166 runs, with Jeff Thomson taking 9 wickets.
His partner was Tom Brooks and together they umpired all six Test matches in that series.
Bailhache’s last Test match was between Australia and the West Indies at Perth from 2 December to 6 December 1988, won by the visitors by 169 runs, in spite of Merv Hughes taking 5/130 and 8/87, including a hat-trick spread over two innings and three overs.
Bailhache also umpired 27 One Day International (ODI) matches between 1975 and 1989.