Does banana bread have yeast in it?

No, traditional banana bread does not contain yeast. It is a quick bread, meaning it relies on baking soda or baking powder as a leavening agent instead of yeast.

Yeast requires time to ferment and create air pockets, which is why bread made with yeast needs to rise. Banana bread is baked quickly, so the leavening action from baking soda or baking powder is enough to create the desired texture.