Henry James "Harry" Kadwell (29 May 1902 – 27 October 1999) was an Australian professional rugby league footballer of the 1920s and 1930s.
An Australian international and New South Wales interstate representative fullback who later moved to the-halves, he played his club football for South Sydney with whom he won the 1927 and 1928 NSWRFL premierships, and later St.
George whom he captain-coached to the 1933 grand final.