William Lawrence Mauldin (June 13, 1845 – August 13, 1912)[1] was a South Carolina politician and railroad executive.

[4] He was born in Greenville, South Carolina to Samuel and Caroline née McHardy Mauldin.

In 1884 he became a member of the South Carolina Senate and in 1886 he became lieutenant governor.

[2] After leaving office in 1890, he was elected again to the state house in 1898 with reelection in 1902, then to the state senate again in 1904, wherein he remained a senator until retiring after the session before his death.

[1][2] Mauldin, South Carolina is named for him because he brought his railroad company through the village.