Lex Immers (born 8 June 1986) is a Dutch professional footballer who plays as a forward for ADO Den Haag in the Dutch Eredivisie.
Born in The Hague, Immers played for several local clubs in his youth, including amateurs LENS and Vredenburch. He also had a spell at DSO from Zoetermeer. ADO was impressed by his abilities, and signed him to a contract in the club's reserves.
Immers made his professional debut on 24 August 2007, in a 2–2 draw at RKC Waalwijk, coming on as a substitute in the 74th minute for Yuri Cornelisse. Three days later on 27 August 2007, Immers scored his first ADO Den Haag goal, in a 1–0 win over Cambuur. A week later, he renewed his contract with ADO, and signed for an additional period of two years. Immers then scored his second goal on 30 September 2007, in a 2–1 win over Stormvogels. In a match against Jong Heerenveen on 1 November 2007, Immers was involved in a serious incident during the match that saw him served a two match suspension. Initially served a two match suspension, Immers’ suspension was overturned. After scoring two more goals by the end of 2007, Immers scored a further two more goals against Go Ahead Eagles and HFC Haarlem. He then scored again against Go Ahead Eagles on 22 April 2008 in the play–offs and helped the club get promoted to top–flight football for next season. Immers went on to make thirty–three appearances and scoring seven times in his first professional season at ADO Den Haag.