Henry Blauvelt

Henry Russell Blauvelt (April 8, 1873 - December 28, 1926) was a 19th century Major League Baseball pitcher. He played in two games for the 1890 Rochester Broncos of the American Association, and at age 17 was the league's youngest player.

Blauvelt's appearances came in June of 1890, and both were as a relief pitcher. The first was against the Brooklyn Gladiators, and the second was against the St. Louis Browns. In 12.1 innings pitched he allowed 14 earned runs, giving the youngster an earned run average of 10.22.