Yilan may refer to:

• Yılankale, a crusader castle in Turkey

Mainland China

• Yilan County, Heilongjiang (依兰县), a county of central Heilongjiang province, People's Republic of China
• Yilan, Heilongjiang (依兰镇), town in and seat of Yilan County
• Yilan, Jilin (依兰镇), town in Yanji

See also

• Yilan, Taiwan (disambiguation), for locations in Taiwan