sina

Sina may refer to:

Relating to China

Chin (China), or Sina ({{zh|支那, 震旦|links=no}}), old Chinese form of the Sanskrit name Cina ({{lang|sa|चीन}})
Shina (word), or Sina ({{langx|ja|支那|links=no}}), archaic Japanese word for China
Sinae, Latin name for China

Sina, Albania, or Sinë, a village in Dibër County, Albania
Sina, Iran ({{langx|fa|سينا|links=no}}), a village in Isfahan Province, Iran
Sena, Iran ({{lang|fa|سينا}}), also romanized as Sina, a village in Bushehr Province, Iran
Sina Rural District, in East Azerbaijan Province, Iran
Sina District, in San Antonio de Putina Province, Peru

Ali Sina (activist), pseudonym of an Iranian-born Canadian activist, founder of several anti-Islam and anti-Muslim websites
Elvis Sina (born 1978), Albanian soccer player
Ibn Sīnā (c. 980 – 1037), also known as Avicenna, Persian physician, philosopher, and scientist
Jaren Sina (born 1994), Portugal-born American basketball player of Kosovar origin
Melek Sina Baydur (born 1948), Turkish diplomat and former Ambassador of Turkey
Sina Ashouri (born 1988), Iranian soccer player
Sina Siegenthaler (born 2000), Swiss snowboarder
Sina-drums, YouTube alias of Sina Doering (born 1999), German drummer and YouTuber
Than Sina, 21st-century Cambodian politician
Wynne (rapper), stage name of Sina Wynne Holwerda (born 1997), American rapper

Sina and the Eel, a Samoan myth of origin
Society for Indecency to Naked Animals, a satirical hoax concocted by Alan Abel
"Sina", a song by Brazilian singer Djavan
"Soulfood To Go (Sina)", English title of a cover of this song by The Manhattan Transfer