U-KISS (Korean: 유키스; Japanese: ユーキス) is a South Korean boy band formed in 2008. Their name is an acronym, standing for Ubiquitous Korean International Idol Super Star. The group is currently composed of Soohyun, Hoon, Kiseop, Alexander Lee, and Eli.

Their breakthrough hit was "Man Man Ha Ni" (2009) from their EP ContiUKiss. They made their formal debut in Japan in 2011 with the release of the single "Tick Tack".

Since their debut, U-KISS has released three full-length albums, twelve mini-albums/EPs, one special mini-album (created for their fans), and various singles. They have released seven Japanese full-length albums, one Japanese compilation album, and five Japanese mini-albums/EPs. The group and individual members have also participated in various musicals, radio programs, web shows, TV series, and films.

The group has recorded and/or performed songs in Korean, Japanese, Chinese, English and Spanish. U-KISS has earned six entries on Billboard's World Albums chart and has had 9 songs on the K-pop Hot 100 chart.

In 2012, U-KISS was the first K-pop group to hold a fan meeting in Cambodia. During that same year, U-KISS was not only the first K-pop act, but also the first Asian group, to perform at the "Los 40 Principales" concert in Colombia. In 2013, U-KISS was the second Korean artist to hold a solo concert in Mexico. U-KISS was also one of the first K-pop groups to release original albums in Japanese. In Japan, they ranked #1 on the Oricon Albums Chart with Action in 2015.