|Full name||Kenneth Scott Arena|
|Date of birth||February 6, 1981|
|Place of birth||Charlottesville, Virginia, United States|
|Height||6 ft 2 in (1.88 m)|
|United States (assistant)|
|2000–2001||United States U20||24||(1)|
|2006||Virginia Cavaliers (assistant)|
|2007||George Mason Patriots (assistant)|
|2008–2011||UCLA Bruins (assistant)|
|2014–2016||LA Galaxy (assistant)|
|2017–||United States (assistant)|
|* Senior club appearances and goals counted for the domestic league only.
Kenneth Scott "Kenny" Arena (born February 6, 1981) is an American former soccer defender who is currently an assistant coach for the United States. Arena is the son of former long-time Major League Soccer and current United States coach Bruce Arena.
Arena attended the University of Virginia, playing on the men's soccer team from 1999 to 2002. Arena played for the United States U-20 men's national soccer team at the 2001 FIFA World Youth Championship. On January 17, 2003, the MetroStars selected Arena in the fourth round (32nd overall) in the 2003 MLS SuperDraft. He spent two seasons with the MetroStars before being traded to D.C. United in exchange for a third round selection in the 2005 Supplemental Draft. He played one season with United and was released on December 31, 2005.
Arena served as a volunteer assistant coach with the University of Virginia for the 2006 season and helped lead the Cavaliers to the NCAA Division I Men's Soccer semifinals. On April 2, 2007, Kenny was hired as an assistant coach at George Mason University where he was responsible for player development, recruiting and scheduling. On February 6, 2008, Arena was hired as an assistant coach by UCLA.
- "Coaching Staff". LA Galaxy.
- "MetroStars trade midfielder Arena to D.C. United". USA Today.
- George Mason University: Kenny Arena
- "LA Galaxy add Kenny Arena to coaching staff". LA Galaxy.