郑诗雅（韩语：정시아，1981年8月29日－），韩国女演员。

代表作 《我身后的陶斯》《黄金庭院》《谎言的谎言》

Jung Si Ah is a South Korean actress born in Seoul, South Korea, on August 29, 1981. She studied at Sejong University in Seoul, and made her drama debut in 1999 when she appeared in “School 2.” She has also appeared in long-running variety shows such as “Infinity Girls” and “Modern Farmer.” More recently, she has featured in drama series such as “Terrius Behind Me” (2018) and “Golden Garden” (2019). She married fellow actor Baek Do Bin in 2009 after the pair met on the set of “Survival” (2008), a movie they both starred in. The couple has two children.