|Date of birth||30 September 1949|
|Place of birth||Walsum, West Germany|
|Height||1.78 m (5 ft 10 in)|
|1970–1972||West Germany Amateur||13||(1)|
|1975–1977||West Germany B||2||(0)|
|1988–1992||1. FC Kaiserslautern (assistant)|
|1992–1993||Carl Zeiss Jena|
|1994–1995||1. FC Saarbrücken|
|1997–1998||Carl Zeiss Jena|
|* Senior club appearances and goals counted for the domestic league only|
Before coming to Duisburg, Hollmann was in the youth section of Eintracht Duisburg. He played from 1970 to 1984 for Rot-Weiß Oberhausen and Eintracht Braunschweig in 350 games in the Bundesliga scoring 33 goals.
After his playing career, Hollmann worked as football coach. His greatest success as a coach was winning the Turkish Super Cup and the Turkish League with Galatasaray for the 1993–94 season. Further coaching positions were, amongst other clubs, 1. FC Saarbrücken, FC Carl Zeiss Jena and Al Ahly Cairo.
In 1977, Hollmann was playing for Bundesliga side Eintracht Braunschweig against 1. FC Kaiserslautern. When protesting against a penalty kick he thought it was not justified, the referee unintentionally knocked him unconscious, and Hollmann woke up in the ambulance.
- "Reiner Hollmann". worldfootball.net. Retrieved 28 December 2011.
- "Hollmann, Reiner" (in German). kicker.de. Retrieved 28 December 2011.
- "Reiner Hollmann" (in German). fussballdaten.de. Retrieved 28 December 2011.
- "Reiner Hollmann Biography and Statistics". Sports Reference. Retrieved 28 October 2009.
- Reiner Hollmann – FIFA competition record
- "Reiner Hollmann". footballdatabase.eu. Retrieved 28 December 2011.
- "Wie Reiner Hollmann vom Schiedsrichter ausgeknockt wurde" (in German). 11 Freunde. Retrieved 6 February 2013.