Boston lettuce is a crisp and refreshing leafy green that is a favorite among salad lovers. If you're looking to mix up your salad game, there are plenty of synonyms for this delicious and nutritious lettuce. Some of the most popular substitutes for Boston lettuce include butterhead lettuce, bibb lettuce, and green leaf lettuce. These lettuce varieties are similar to Boston lettuce in taste and texture, with the added bonus of being readily available in most grocery stores. Other substitutions include romaine lettuce for a bit of crunch and texture, or arugula for a peppery bite. Whatever your preference, making substitutions for Boston lettuce is a great way to experiment with different flavors and textures in your salads.