Tondabayashi

 is a city located in Osaka Prefecture, Japan. The city was founded on April 1, 1950.
As of 2016, the city has an estimated population of 112,993 and a population density of 2,800 persons per km². The total area is 39.66 km².
This city is home to the biggest annual fireworks display in the world, the PL Art of Fireworks Display. The display consists of a minimum of 100,000 shells fired in less than an hour. Tondabayashi's sister city is Bethlehem, Pennsylvania.