Steve Nielsen (born 2 July 1964) is a British engineer working in Formula One motor racing.

[1] After leaving school in 1985 Nielsen trained as a police officer but resigned after 11 months.

[2] In the next five years he moved to Benetton, back to Tyrrell, to Honda, then Arrows, before moving back to Benetton, where he spent almost a decade as Sporting Director, including the team's transitions to Renault F1 and Lotus Renault GP.

[2] After spending 2012 as Sporting Director at Caterham, Nielsen joined Scuderia Toro Rosso at the start of the 2013 season.

[3] He joined Williams as Sporting Manager in December 2014[4][5] and worked in that role until leaving in July 2017, being replaced by Dave Redding.