Wesley P. Andrus (February 19, 1834 – 1898) was a Michigan politician.

Andrus was born on February 19, 1834, in Potter, New York.

Andrus was wounded at the battle of Missionary Ridge, and was discharged due to disability in May 1864.

[1] On November 7, 1876, Andrus was elected to the Michigan Senate where he represented the 25th district from January 3, 1877, to 1878.

[1][2] Andrus died in 1898 in Cedar Springs, Michigan.