Duder may refer to: People Tessa Duder, (born 1940), New Zealand author and former swimmer Thomas C. Duder, (1850–1912), Canadian merchant and politician Charles Duder, (1819–1879), Canadian merchant and politician Fictional character "The Dude" or "The Duder", from the movie The Big Lebowski Places Duder, Iran, in Fars Province, Iran Duders Beach or Umupuia Beach, in Auckland, New Zealand Duder Regional Park, a park in Auckland, New Zealand