Yes, you can reset your Citibank debit card PIN online. Call our toll-free helpline at 1-888-725-7924 (USA) or log in to your Citibank online account or mobile app. Go to the account settings or security section and choose the option to manage your PIN. Follow the steps to verify your identity, which may include entering a verification code sent to you via email or SMS. Once verified, you can create a new PIN. If you face any issues, you can contact Citibank debit card support at 1-888-725-7924 for help.