- Anthracnose
- Bacterial canker
- Bacterial speck
- Blossom-end rot (fruit disorder)
- Buckeye fruit rot
- Chimera (genetic disorder)
- Drought stress
- Early blight
- Gray mold
- Late blight
- Late blight ‘imitators’
- Leaf mold
- Ozone injury
- Phytophthora blight
- Pith necrosis
- Powdery mildew
- Septoria leaf spot
- Stemphylium (gray) leaf spot
- Tomato spotted wilt virus
- White mold (timber rot)
- Zippering (fruit disorder)
- Insect feeding injury on tomatoes: Stink bugs, thrips, other insect pests of tomato and other vegetables