| Name | When |
|---|---|
| Licorice Day | Apr 12 |
| National Licorice Month | Apr |
| Life Savers Day | Aug 19 |
| National Lima Bean Respect Day | Apr 20 |
| International Lime Day | Mar 10 |
| National Limoncello Day | Jun 22 |
| National Linguine Day | Sep 15 |
| National Liqueur Day | Oct 16 |
| National Liver and Onions Day | May 10 |
| National Loaded Potato Month | May |
| Loaf Day | Jul 30 |
| National Lobster Day | 2X |
| National Lobster Newburg Day | Mar 25 |
| National Lobster Thermidor Day | Jan 24 |
| Local Beer Day (Australia) | Feb 24 |
| Locro Day (Argentina) | May 25 |
| National Lollipop Day | Jul 20 |
| National Long Island Iced Tea Day | Jun 6 |
| Longneck Day | Jul 28 |
| Lose Weight, Feel Great Week | Jan Sun of Wk. 1 |
| Louisiana Breakfast Dressing Day | May 1 |
| Louisiana Crawfish Awareness Month | Apr |
| Love Your Lunch Day | Sep 19 |
| Love Your Produce Manager Day | Apr 2 |
| Lucaria | 2X |
| National Lugaw Day (Philippines) | Apr 23 |
| National Lumpia Day | Mar 16 |
| Lussekatter Day (Sweden) | Dec 13 |
| Lutefisk / Anna's Day (Sweden) | Dec 9 |
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