Logitech International S.A. (commonly referred to as Logitech or stylized as Logi) is a Swiss global provider of personal computer and tablets accessories with EMEA headquarters in Lausanne, Switzerland and American headquarters in Newark, California. The company develops and markets products like peripheral devices for PCs, including keyboards, mice, trackballs, microphones, game controllers and webcams. Logitech also makes home and computer speakers, headphones, wireless audio devices, as well as audio devices for MP3 players and mobile phones. More recently, the company has begun making keyboards and covers for tablets.

In addition to its Swiss and American headquarters, the company has offices throughout Europe, Asia and the rest of the Americas. Logitech's sales and marketing activities are organized into three geographic regions: America; Europe; and the Middle East, Africa and Asia Pacific.