Thomas P. Miller (c. 1850 – May 29, 1876), nicknamed "Reddy",[1] was an American Major League Baseball catcher who played a total of 59 games during his two-season career.

[2] His career statistical totals include: 230 at bats, 19 runs scored, two doubles, and a .187 batting average.

He died of kidney problems in Philadelphia on May 29, 1876, a week after he played in an exhibition game and appeared to be in good health.

He is interred at Evergreen Memorial Park in Bensalem Township, Pennsylvania, after having been moved from Lafayette Cemetery in Philadelphia.

[2] This biographical article relating to an American baseball catcher born in the 1850s is a stub.