Ben O'Keeffe (born 3 January 1989) is a rugby union referee from New Zealand.
He currently referees at domestic, Super Rugby and test match level.
O'Keeffe became a professional referee for the New Zealand Rugby Union (NZRU) in 2013 having started officiating in 2008 at the age of 19.
On 31 August 2013, he made his domestic debut during the 2013 ITM Cup match between Auckland and Bay of Plenty.
On 24 October 2015, he officiated the 2015 ITM Cup Final between Canterbury and Auckland.
In 2014, he started to appear at Super Rugby level as an assistant referee, before going on to be selected by World Rugby for the 2014 IRB Junior World Championship.
He made four appearances as the main official, one of which was the final between England and South Africa.
He continued to referee at domestic level that year, before being selected for the 2015 Super Rugby season on 27 January 2015.
He made his debut during the second round of the tournament, taking charge of the Highlanders vs Crusaders clash on 21 February as a late call up for injured referee Chris Pollock.
He was the man in the middle for the Sunwolves Super Rugby debut on 27 February 2016.
He was also one of the referees to officiate the 2016 Super Rugby Final between the Hurricanes and Lions.