The Irisbus Agora was a low-floor bus designed and built by Renault from 1995 to 2002,the date upon which it has been built by Irisbus, firstly a joint-venture with Fiat subsidiary IVECO from 1999, with Iveco engines. It has also been built by Czech-based Karosa under the Citybus name as a diesel-powered bus, Skoda as a trolleybus in Eastern European markets as the Škoda 24Tr Irisbus and Škoda 25Tr Irisbus, and by the Romanian-based Astra Bus.

Iveco Bus is a bus manufacturer with headquarters in Turin. Iveco Bus is now only a brand division of IVECO which is a company incorporated under Dutch law and listed on Borsa Italiana.