Chan Yung-jan (simplified Chinese: 詹咏然; traditional Chinese: 詹詠然; pinyin: Zhān Yǒngrán; born August 17, 1989 in Dongshih, Taichung County, Taiwan) is a professional female tennis player from Republic of China.

She has won 13 ITF singles titles; and 7 WTA and 11 ITF doubles titles. Her career highlights include semifinals in the Japan Open in 2006 and finals in the PTT Bangkok Open in 2007 (l. to Flavia Pennetta) .

In the Australian Open 2007, she lost to her first-round opponent Alicia Molik 2–6 6–7(3). Nevertheless, she reached the final in the women's doubles with another Taiwanese player, Chuang Chia-jung, where they lost in three sets to Cara Black and Liezel Huber. She lost in the first round of the 2007 French Open to Elena Likhovtseva, but made her top 50 debut afterwards, at #50. Her current ranking on the WTA circuit is #109 (as of June 15, 2009).