The tiqin () is a name applied to several two-stringed Chinese bowed string musical instruments in the family of instruments.
There are several types of :
The used in Cantonese music, also known as the is a member of the "hard bow" () ensemble in Cantonese opera. Its neck is made of hardwood, often or (, red sandalwood). The 's sound chamber is made of a very large section of bamboo (larger than that of the , another bowed string instrument used in Cantonese music). Instead of snakeskin, the face is made of a piece of wood (, Firmiana simplex) or palm wood (like the face of a ). The back of the sound chamber is made of the natural joint in bamboo, with sound holes cut in it. The used today in Cantonese opera is tuned to /Mi-La/E-A (the opposite of the , which is tuned A-E.)
The name also occasionally referred to what is now called the sihu.
Additionally, the term is used in Chinese as a generic term referring to Western bowed string instruments of the violin family: