Laysen Valley (Arabic: ليسن فالي) is a mixed-use development in the Umm al-Hammam al-Gharbi neighborhood of Riyadh, Saudi Arabia.

Covering an area of 74000 square meters, it is named after Wadi Laysan and contains several outlets of multinational chains of restaurants and cafeterias besides hosting offices of more than 50 multinational firms in five commercial buildings, including Servcorp, Roche, Credit Suisse, BlackRock and Nokia.

[2] It was built on the six core principles of Salmani style,[3] a distinct type of urban Najdi architectural method developed in Riyadh Province during the reign of Prince Salman bin Abdulaziz as the region's governor between 1963 and 2011.

[11] In January 2022, Swiss pharmaceutical company Norvatis announced that it would have its regional head office in Laysen Valley.

Riyadh Municipality signed a benefit exchange agreement with Laysen Valley in March 2022.