Arley is an English surname and place name, usually explained as "eagle wood" or "hare meadow" from the Old English earn or hara with leah, a clearing. It is also used in Latin America, especially Colombia, as a given name, and it can serve as a short form of Harley or Arlen. Arley has stayed well outside the US top 1000, peaking at number 1687 in 2012, and ranks number 1755 among boys' names in 2025.