Cancer is a broad term that encompasses a wide range of diseases characterized by the uncontrolled growth and division of abnormal cells in the body. There are more than 100 different types of cancer, each with its own characteristics, risk factors, and treatment options. Here is a list of some common types of cancer:

Breast Cancer
Lung Cancer
Colorectal Cancer (Colon and Rectal Cancer)
Prostate Cancer
Skin Cancer (including Basal Cell Carcinoma, Squamous Cell Carcinoma, and Melanoma)
Bladder Cancer
Pancreatic Cancer
Ovarian Cancer
Cervical Cancer
Uterine Cancer (Endometrial Cancer)
Leukemia
Lymphoma (including Hodgkin Lymphoma and Non-Hodgkin Lymphoma)
Liver Cancer
Kidney Cancer (Renal Cell Carcinoma)
Stomach Cancer (Gastric Cancer)
Esophageal Cancer
Thyroid Cancer
Brain Cancer (Brain Tumors)
Bone Cancer (Osteosarcoma and others)
Testicular Cancer
Multiple Myeloma
Sarcoma (Soft Tissue Sarcoma and Bone Sarcoma)
Mouth and Throat Cancer (Oral Cancer)
Gallbladder Cancer
Anal Cancer
Penile Cancer
Nasopharyngeal Cancer
Small Intestine Cancer
Vulvar Cancer
Vaginal Cancer
Eye Cancer (Retinoblastoma and Intraocular Melanoma)
Mesothelioma (typically caused by asbestos exposure)
Skin Cancer (Kaposi Sarcoma, Merkel Cell Carcinoma)
Adrenal Gland Cancer (Adrenocortical Carcinoma)
Salivary Gland Cancer
Parathyroid Cancer
Carcinoid Tumors
Gestational Trophoblastic Disease (GTD)
Retinoblastoma
Wilms Tumor (Kidney Cancer in Children)

Please note that some of these cancer types can have subtypes and variations, and cancer research continues to discover new information and classifications. Additionally, cancer can occur in almost any organ or tissue in the body, leading to a wide variety of specific cancer types. The treatment and prognosis for each type of cancer can vary greatly, so it's essential to consult with medical professionals for accurate information and guidance if you or someone you know is dealing with cancer.