|Full name||Hendrik Timmer|
|Date of birth||3 December 1971|
|Place of birth||Hierden, Netherlands|
|Height||1.88 m (6 ft 2 in)|
|2001–2002||→ Feyenoord (loan)||2||(0)|
|2002–2003||→ Ajax (loan)||2||(0)|
|* Senior club appearances and goals counted for the domestic league only|
Timmer was born in Hierden, Harderwijk, Gelderland. He spent his first 11 senior seasons in the second division, with FC Zwolle – named PEC in his first year. In 2000, he moved to AZ Alkmaar, making his Eredivisie debut at almost 29 and also serving unassuming loans at Feyenoord and AFC Ajax. He was part of the Feyenoord squad that won the 2001–02 UEFA Cup, and was an unused substitute in the final.
In 2003 Timmer returned to AZ for three more solid seasons, being essential as the club finished runner-up in the 2006 league and the following year's domestic cup. He made another return in the 2006 summer, now to Feyenoord, leaving Alkmaar after an alleged fall-out with manager Louis van Gaal.
Timmer retired from the game at almost 38, after helping Feyenoord to the seventh place in 2008–09 campaign, having appeared in 513 matches as a professional – only in the league. However, in March 2010, as SC Heerenveen had all three first-team goalkeepers on the injured list, he went on trial with the club and signed a contract until the end of the season, contributing with nine games to an eventual 11th place-finish, and retiring for good in June.
Somewhat of a late bloomer in the Dutch national side, Timmer did not get his first call-up until February 2005, being summoned by Marco van Basten for an exhibition game with England in Birmingham. His debut would only arrive on 12 November, in another friendly (1–3 home loss to Italy).
Timmer is married to speed skater Marianne Timmer. However they now lead separate lives.  After retiring in 2009, he said Heerenveen would be the only club he would play for if he decided to return, as she had previously experienced success in Heerenveen's Thialf.
|1989/90||PEC Zwolle||Eerste Divisie||1||0|
|1990/91||FC Zwolle||Eerste Divisie||0||0|
|1991/92||FC Zwolle||Eerste Divisie||16||0|
|1992/93||FC Zwolle||Eerste Divisie||33||0|
|1993/94||FC Zwolle||Eerste Divisie||34||0|
|1994/95||FC Zwolle||Eerste Divisie||34||0|
|1995/96||FC Zwolle||Eerste Divisie||33||0|
|1996/97||FC Zwolle||Eerste Divisie||34||0|
|1997/98||FC Zwolle||Eerste Divisie||32||0|
|1998/99||FC Zwolle||Eerste Divisie||34||0|
|1999/00||FC Zwolle||Eerste Divisie||34||0|
- "FIFA World Cup Germany 2006 – List of Players" (PDF). FIFA.com. p. 19. Retrieved 26 July 2013.
- "UEFA Cup results and team details". Telegraph. 8 May 2002. Retrieved 8 May 2019.
- Timmer makes Feyenoord return; UEFA.com, 13 July 2006
- "AGOVV benoemt oud-international Timmer als manager" [AGOVV appoints former international Timmer as manager] (in Dutch). Voetbal International. 5 June 2012. Retrieved 12 June 2012.
- Van Basten opts for fresh faces; UEFA.com, 4 February 2005
- "Timmer en Timmer gaan trouwen" [Timmer and Timmer to marry]. Algemeen Dagblad (in Dutch). 27 December 2011. Retrieved 20 November 2013.
- "Marianne Timmer en Henk Timmer getrouwd" [Marianne Timmer and Henk Timmer married] (in Dutch). NU.nl. 4 October 2012. Retrieved 20 November 2013.
- "H. Timmer". Soccerway. Retrieved 10 July 2014.
- Van Holland, Guus (28 April 2008). "Ereronde Feyenoord heeft iets van een treurmars" [Only way Feyenoord has something of a funeral march]. NRC Handelsblad (in Dutch). Retrieved 1 June 2016.
- "UEFA Cup clockwatch". BBC Sport. 11 April 2002. Retrieved 1 June 2016.
- "Feyenoord seal UEFA Cup win". BBC Sport. 8 May 2002. Retrieved 1 June 2016.
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