San Marcos 01
- Brand: San Marcos
- Fruit: Lemons
- Packing House: Goleta Lemon Association
- City: Goleta
- County: Santa Barbara
- State: California
- Scarcity Rating: Ultra Rare
- Price Opinion 4/2020: $375
- Image Donor: The Lapp-Kniffin Collection
- Comment: Goleta Lemon Assn stock labels preceded the eventual brand image.