晉穆侯（？ - 前785年），姬姓，名費王，一名弗生、晞王、費壬，是西周諸侯國晉國的第九任統治者，在位27年，於前785年去世。

穆侯四年，取齊女姜氏為夫人。七年，伐條。生太子仇。十年，伐千畝，有功。生少子成師。晉人師服認為嫡長子與庶子取的名字正相反，晉國遲早會出大亂。

穆侯去世後，其弟殤叔自立，太子仇出奔。

穆侯之孫韓萬，乃戰國七雄的韓國的先祖。

晉穆侯與其二位夫人的墓葬已出土，且其次夫人楊姞有象徵兵權的牙璋隨葬，疑為女將。

Marquis Mu of Jin (晉穆侯 Jìn Mù Hóu), ancestral name Ji (姬), given name Feiwang (費王) or Fusheng (弗生), was the ninth ruler of the state of Jin during the Western Zhou Dynasty. After his father, Marquis Xian of Jin died in 812 BC, he ascended the throne of Jin.

In 808 BC, the fourth year of his reign, he married a woman from the royal family of Qi to be one of his concubines. In 805 BC, the seventh year of his reign, he battled with a tribe called Tiao (條). During this time, his eldest son, Chou, was born.

In 802 BC, after being victorious in the battle with a tribe called Qianmu (千畝), his other son, Chengshi, was born.

Marquis Mu reigned for 27 years. When he died in 785 BC his younger brother Shang Shu usurped the throne. Chou was forced to leave Jin.