Kin can mean:
Kinship
Family
Kin, a boys name
Kin
Kin, Okinawa, a town in Okinawa, Japan
Kin , a 2000 UK/South Africa film directed by Elaine Proctor and starring Miranda Otto
Tsuchi Kin, a character featued in Naruto, a famous Japanese anime.
A fictional group of channeling women from Ebou Dar in Robert Jordan's The Wheel of Time
K'in In the Maya Calendar, is one day.
Knowledge iN, an online information-sharing service from Naver, a Korean web portal
KIN, a Norwegian metal band situated in Lillehammer.
See also
Kinh, the majority ethnic group of Vietnam
Ken, as in perception, insight or knowledge.
Source:
http://en.wikipedia.org/wiki/Kαin