Yes, you can absolutely use a Suica card (or Pasmo, Icoca, etc.) on the Kyoto Subway and Kyoto city buses in 2026. Thanks to the 2013 nationwide integration of Japanese IC cards, a Suica card issued in Tokyo works seamlessly on almost all public transport across the country, including both the Karasuma and Tozai subway lines in Kyoto. You simply "tap-in" at the entry gate and "tap-out" at your destination, and the correct fare is automatically deducted from your balance. This is a high-value convenience for travelers who want to avoid the "ticket machine dance" at every station. For 2026 visitors, a "pro-tip" is to add your Suica to your Apple or Google Wallet, allowing you to recharge and tap using your phone without needing a physical card. While Suica works for transit, remember that Kyoto's small temples and shrines still largely require physical Yen cash for entrance fees, making a hybrid payment strategy essential for the ancient capital.