Human papillomavirus (HPV) is the most common STI globally and is implicated in a variety of cancers in men and women.1 Transgender women (TW) are regarded as an at-risk population for HPV infection and STIs, but limited data about HPV in this population are available, especially in low-income and middle-income countries.2 3 We developed an online survey to assess knowledge of HPV infection among TW in Colombia. The surveys were distributed to social media users …