Norbert Grudzinski

{{short description|German football referee}}

{{Use dmy dates|date=April 2025}}

{{Infobox football official

| name = Norbert Grudzinski

| fullname =

| birth_date = {{Birth date and age|1977|05|12|df=y}}

| birth_place = Hamburg, West Germany

| years2 = 2004–2014

| league2 = 2. Bundesliga Referee

| years3 = 2008–2015

| league3 = 3. Liga Referee

}}

Norbert Grudzinski (12 May 1977) is a German football referee from Hamburg.{{cite web | url = https://www.worldfootball.net/referee_summary/norbert-grudzinski/ | title = Norbert Grudzinski » Matches as referee | website = worldfootball.net | accessdate = 12 April 2025}}

Grudzinski has been a German Football Association referee since 1999.{{Cite web | url=https://www.ksvhessen.de/news.php?id=4441&c=1 | title=Hamburger Norbert Grudzinski pfeift}} In 2004, he was voted the best referee in Hamburg.{{cite news|publisher=Die Welt|title=Niemals auf die Regeln pfeifen ist Pflicht|url=https://www.welt.de/print-wams/article130139/Niemals-auf-die-Regeln-pfeifen-ist-Pflicht.html|language=de|date=24 July 2005|access-date=3 March 2020}}

Grudzinski has overseen 85 2. Bundesliga matches as a referee, and another 168 Bundesliga matches as an assistant referee.{{Cite web | url=https://www.otto.de/newsroom/en/culture/der-mann-an-der-linie-angst-vor-fehlern-ist-der-erste-fehler |title = A fear of making mistakes is the first mistake}} Grudzinski replaced referee Michael Weiner in the 75th minute of a match in March 2014, marking his debut as a referee in the Bundesliga.{{cite news|publisher=Südwest Presse|title=Achillessehnenriss droht Michael Weiners Karriere zu beenden|url=https://www.swp.de/sport/weitere-sportarten/achillessehnenriss-droht-michael-weiners-karriere-zu-beenden-18420949.html|language=de|date=31 March 2014|access-date=3 March 2020}}

Grudzinski lives in Hamburg and is a wholesale and export trader.{{cite web | url = https://www.dfb.de/?id=11305 | title = Norbert Grudzinski | language = German | publisher = dfb.de | accessdate = 19 April 2014}}