Sidney may refer to:

Surname: See Sidney (surname)

First name: See Sidney (given name)

Sidney Schmeltz (born 8 June 1989 in Nieuwegein) is a Dutch footballer who plays for Sparta Rotterdam.

Schmeltz started his career with SV Geinoord in Nieuwegein, but was scouted by RKC Waalwijk on early age. August 2008 he switched to Willem II Tilburg. Despite he was not allowed to play yet, he made his debut for the Willem II reserve squad in a cup-match against RKC Waalwijk. Therefore, the Royal Dutch Football Association (KNVB) decided to play a rematch.

On April 19, 2009 Schmeltz made his first appearance in the Willem II First Squad in the home-match against ADO Den Haag (3–3), as a substitute for Sergio Zijler. Schmeltz appeared in the starting line-up for the first time two weeks later against Roda JC (0–1 win).

In August 2010, Schmeltz was signed by Almere City in a 1-year deal.

Sidney Patrick Crosby, ONS (born August 7, 1987) is a Canadian professional ice hockey player who is captain of the Pittsburgh Penguins of the National Hockey League (NHL). Crosby was drafted first overall by the Penguins out of the Quebec Major Junior Hockey League (QMJHL). During his two-year major junior career with the Rimouski Océanic, he earned back-to-back CHL Player of the Year awards and led his club to the 2005 Memorial Cup final. Nicknamed "The Next One", he was one of the most highly regarded draft picks in hockey history, leading many to refer to the 2005 Draft Lottery as the "Sidney Crosby Sweepstakes".

Sidney Samson (born 2 October 1981) is a Dutch DJ and dance musician. Samson started DJing at the age of 13, focusing on hip hop music before working seriously on house music from 1999. He is a resident DJ at The Matrixx, a major Dutch nightclub and released "Bring That Beat Back" and "It’s all funked up" on the digidance and Spinnin' Records labels respectively. After collaborating with Gregor Salto, he formed his own record label, Samsobeats, in 2007.

Samson managed to get his debut single "Riverside" to #1 on the Dutch Top 40, #9 on the Australian ARIA Charts, #1 on the Irish Singles Chart, and #2 on the UK Singles Chart.

He released his second single "Shut Up and Let It Go" (featuring Lady Bee) in February 2010.