Yes, your Suica card (and other major IC cards like Pasmo or Icoca) works perfectly on the Kyoto City Bus and the Kyoto Subway in 2026. While Suica is a JR East product from Tokyo, Japan's nationwide IC card integration means that any of the "Big 10" cards can be used interchangeably across the country's major urban transit networks. When boarding a Kyoto City Bus, you simply tap your card on the reader next to the driver upon exiting (or both entering and exiting for "distance-based" routes). This eliminates the need to carry exact change or struggle with the coin hopper, which was a common pain point for tourists in the past. It is worth noting that while Suica works for the fare, you cannot "charge" or refill your Suica card on the bus itself—you must do that at a subway station, a JR station, or a convenience store like 7-Eleven. For travelers arriving from Tokyo with a digital Suica on their iPhone or Apple Watch, the experience is completely seamless, allowing you to tap your way through the historic streets of Kyoto just as you would in Shinjuku.