Frank Newman Speller Sr (January 1, 1875 – January 12, 1968) was a Canadian born American metallurgical engineer notable for his pioneering text on corrosion in 1926.

For his service to the field he won the Longstreth Medal (1927), American Iron and Steel Institute Medal and the Max Hecht Award (1960).

The Frank Newman Speller Award was named in his honor.

Frank Newman Speller was born in Toronto in 1875.

[1] He died at his son's home in Buffalo, New York on January 12, 1968.