Thomas Calloway Lea Jr. (October 29, 1877 – August 2, 1945) was an American attorney from El Paso, Texas, and mayor of that city from 1915 to 1917.

[3][4] Homer Lea was appointed military advisory to Sun Yat-sen, the leader of the Chinese Republic.

On June 29, 1906, he married Zola May Utt, and the couple had three sons, including the noted artist and writer Tom Lea III.

[6] Lea became a renowned criminal lawyer in the city, and with his partner, R. Ewing Thomason, developed acclaim for their use of dramatic emotionalism in the courtroom.

Thomas Calloway Lea Jr. died in El Paso at Southwestern General Hospital, of a heart attack, on August 2, 1945.