Joseph Lovell Cox (28 June 1886 – 4 July 1971) was a South African Test cricket player.

Joe Cox was educated at St. Charles College, Pietermaritzburg, and moved to Durban after completing his schooling.

Playing for Natal throughout, his first-class career spanned the years either side of World War I, 1911 to 1922, but it was his first season in 1910–11 that was his most successful.

[2] In his second match, against Western Province, he took seven wickets in the second innings for 42 runs,[3] and a few days later he took eight for 20 against Transvaal, seven of the opposition being bowled.

[4] In all six matches that season, he took 36 wickets for 402 runs (average 11.16) and helped Natal to their first domestic championship title.