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, who ruled from 1975 to 1979.
On 26 November 2014, the Kuala Lumpur City Hall (DBKL) changed the name of Jalan Semarak to Jalan Sultan Yahya Petra.