| Name | When |
|---|---|
| Roasted Chicken Day | Jul 14 |
| National Roasting Month | Nov |
| Rocky Mountain Oyster Day | Oct 5 |
| National Rocky Road Day | Jun 2 |
| Roll Cake Day (Japan) | Jun 6 |
| Rolling Rock 33 Day | Feb 2 |
| International Rooibos Day | Jan 16 |
| National RoosTart Day | Aug 4 |
| Root Beer Float Day | Aug 6 |
| Root Vegetable Month | Dec |
| Roquefort Cheese Day | Jul 26 |
| Roquefort Cheese Discovery Day | Jun 4 |
| Roquefort Day | Dec 3 |
| International Rosé Day | Aug 14 |
| National Rosé Day | Jun 2nd Sat |
| National Rosé Day (Australia) | Feb 5 |
| International Rosé Day (France) | Jun 4th Fri |
| National Rosa Tequila Day | Sep 14 |
| Rosolio Day | Sep 1 |
| National Rotate Your Beer Day | May 1 |
| National Rotisserie Chicken Day | Jun 2 |
| Rotisserie Chicken Day (Peru) | Jul 3rd Sun |
| Royal Hot Dog Day | Jun 11 |
| National Rugelach Day | May 29 |
| National Rugelach Day | Apr 29 |
| World Rum Day | Jul 2nd Sat |
| National Rum Day | Aug 16 |
| National Rum Punch Day | Sep 20 |
| National Rum Punch Month | Jun |
| Russell Stover Candies Day | May 6 |
| Rye Month | Aug |
| National Rye Whiskey Day | Jan 17 |
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