Thomas Michael Zacharias (born 2 January 1947) is a German high jumper.
He competed in the 1968 Olympics and finished in 14th place with a jump of 2.09 m.
He set five national records (2.17 to 2.20 in 1970).
His personal best is 2.22 m (world's best indoor 1971).Zacharias continues competing internationally, in the masters categories, where he set dozens of world records.
Two of them, 2.00 m indoor and 1.98 m outdoor in the M50 age group, have stood since 1997.
Zacharias is a lifelong proponent of the straddle technique in the high jump.
(i) = indoors, WR = world record, ER = European record, NR = national record