One of the most common viruses in gynecology is the Human Papillomavirus (HPV). HPV is known for its role in causing cervical cancer, as well as other genital cancers. Other notable viruses include the Herpes Simplex Virus (HSV), which causes genital herpes, and the Human Immunodeficiency Virus (HIV), which can lead to AIDS. Additionally, the Hepatitis B and C viruses can also impact gynecological health by causing liver disease, which can complicate pregnancy and other reproductive health issues.