A comprehensive Crop Disease Image Dataset meticulously curated to aid in the study and advancement of agricultural research and plant pathology within Tanzania. This dataset encompasses a diverse array of classes, each representing distinct diseases and health states affecting a variety of crops commonly cultivated in Tanzanian agriculture. Classes include American Poppy, Bean Angular Leaf Spot, Bean Healthy, Bean Leaf Miner, Bean Light Yellow, Bean Rust, Bell Pepper Early Bright, Bell Pepper Fusarium Wilt, Bell Pepper Healthy, Black Nightshade Healthy, Black Nightshade Leaf Miner, Cabbage CP Deficiency, Cabbage Healthy, Chinese Botanical Leaf Spot, Chinese Healthy, Maize Faw, Maize Health, Maize Leaf Aphid, Maize Streak Virus, Okra Health, Okra Leaf Miner, Okra Powderly, Onions Healthy, Onions Powderly, Spinach Anthracnose, Spinach Health, Tomato Health, and Tomato Leaf Miner. Each class represents a distinct disease or health state commonly observed in crops grown throughout Tanzania, providing a valuable resource for researchers, agronomists, and machine learning practitioners alike. With a diverse range of classes meticulously labeled and organized, this dataset facilitates the development and evaluation of algorithms for disease detection, classification, and mitigation strategies specific to Tanzanian agricultural contexts.