Peter Nelson (born 5 October 1992) from Dungannon is a Northern Irish-born rugby union player. He formerly played at the position of fullback for Ulster. He currently plays for the Toronto Arrows in Major League Rugby (MLR).
Nelson is a versatile back who can play at out-half, full-back, centre or wing.
Nelson made his debut for Ulster against Leinster in December 2011. He scored his first try for Ulster against Benetton Treviso in November 2012.
In May 2019, it was announced that Nelson would be leaving Ulster after eight seasons.
In 2020, Nelson agreed a deal with Seattle Seawolves to play in Major League Rugby, however that move was abandoned due to the coronavirus pandemic.
Nelson has represented Ireland at both under-18 and under-20 level.
In June 2019, Nelson was selected by Canada for the Pacific Nations Cup. He is eligible for Canada through his Vancouver-born grandmother. He made his Canada debut in the tournament against the USA Eagles.
He was named in the Canada squad for the 2019 World Cup and made his tournament debut against Italy on 26 September.