Thomas Arlin Gollott (born September 29, 1935) is a businessman and former state legislator in Mississippi.

[2][3] In September 2017, he became the longest-serving member of the Mississippi Legislature in history.

[4] He retired from the Senate in 2020, after deciding not to run for another term.

[5] In 1996, Gollott was elected the president pro tempore of the Mississippi State Senate for the 1996-2000 term.

[6] He was the first president pro tempore from the Gulf Coast region since Merle F. Palmer in 1968.