万年县是中国江西省上饶市所辖的一个县。

明正德七年（1512年），以余干县之万春乡置县，因县北有万年山，故名。

Wannian (Chinese:万年; pinyin:Wànnián) is a county under the jurisdiction of Shangrao City in Jiangxi, China.

Its total area is 1140.76 square kilometers. Its 2003 population was 361,000.

Under Wannian County are 6 towns and 9 townships.

The county seat and largest population center is Chényíng Town (陈营镇). The second largest population center and former county seat is Qīngyún Town (青云镇) (formerly Chéngguān Town (城关镇)).