Alexander Lambert (November 1, 1863 – December 31, 1929) was a pianist and a piano teacher.

His students included Jerome Kern, Alfred Newman, Anita Socola Specht, and Fannie Morris Spencer.

[2] He died on New Year's Eve 1929 in Manhattan when he was struck and killed by a taxicab driver.

[2] He left an estate with a net value of $273,457, equivalent to $5,100,000 in 2023, and was buried in Washington Cemetery in Brooklyn.

[3] The pallbearers at his funeral included Walter Damrosch, Daniel Frohman, Sergei Rachmaninoff, Artur Bodanzky, Walter W. Naumburg, Efrem Zimbalist, and Jascha Heifetz and Josef Hofmann who also played music.