Herbert Secord Clarke (September 22, 1887 – June 25, 1938) was a Canadian professional ice hockey player who played in various professional and amateur leagues, including the National Hockey Association (NHA).

[1] Amongst the teams he played with were the Cobalt Silver Kings.

Before turning professional in the TPHL and NHA with the Cobalt Silver Kings Clarke played with the University of Toronto team in the CIAU.

[2] During the 1908–09 season, while with Cobalt, he led the TPHL in scoring alongside Haileybury's Harry Smith with 27 goals.

He died in Boston on June 25, 1938 and was buried in Albany, New York.