Jalan Sultan Yahya Petra (formerly Jalan Semarak/Jalan Henry Gurney) is a major road in Kuala Lumpur, Malaysia.

It was named after the sixth Yang di-Pertuan Agong, Sultan Yahya Petra of Kelantan) (1975–1979) On 26 November 2014, the Kuala Lumpur City Hall (DBKL) changed the name of Jalan Semarak to Jalan Sultan Yahya Petra.