Nicola Spirig Hug (born 7 February 1982) is a Swiss lawyer and former professional triathlete.

[1] On 4 August 2012, Spirig won Gold in the Olympic Women's Triathlon,[3] winning a close race in a photo finish with Sweden's Lisa Nordén.

In the 13 years from 1998 to 2010, Spirig took part in 72 ITU competitions and achieved 39 top ten positions.

In 2015, she and heptathlete Linda Züblin competed at the St. Moritz track in a round of the Bobsleigh World Cup, racing at the invitation of Swiss pilot Beat Hefti alongside him and brakeman Alex Baumann in the four man event, with the quartet placing 27th.

But just 12 weeks after her third child was born in April 2019, the 37-year-old was back competing in the World Triathlon Series Grand Final held in Lausanne, Switzerland between 30 August 2019 to 1 September 2019.