Happy Valley Shenzhen () is a theme park in Nanshan District, Shenzhen, Guangdong Province, China.
Opened in 1998, it is the first of the Happy Valley theme park chain. Covering an area of , the park is composed of nine themed areas including Spanish Square, Cartoon City, Mt. Adventure, Gold Mine Town, Shangri-la Woods, Sunshine Beach, Typhoon Bay, Playa Maya Water Park and Happy Times. The Playa Maya Water Park is open for five months (May to October) each year, and is themed after the Mayan civilization with buildings and statues in Mayan architectural styles. Outside the park a Happy Line monorail train has a stop near the entrance of Happy Valley.
On October 27, 2023, the train on the Snowy Eagle roller coaster was making its way up the track before it slid back and crashed into another train was unloading passengers. On November 14, 2024, at least 8 people were injured when the Snowy Eagle collided with another train. After the incident, the theme park announced the closure of the park for two days starting on Saturday, in order to conduct a comprehensive safety inspection. In the aftermath of accidents Snowy Eagle and all similar launch coasters in other Happy Valley parks were closed permanently.