Sin Sze Si Ya Temple (Chinese: 仙四師爺廟) (also called as Sze Yah Temple) is a Chinese templelocated at 14A Lebuh Pudu, close to the Central Market of Kuala Lumpur, Malaysia.It is built by Yap Ah Loy's for two deities who help guiding him during the Selangor Civil War. The temple is the oldest Taoist temple in the city.