John David McAfee (1945 nî 9 goe̍h 8 ji̍t – 2021 nî 6 goe̍h 23 ji̍t) sī Eng-kok-Bí-kok-hē ê tiān-náu thêng-sek-su kiam seng-lí-lâng. I tī 1987 nî chhòng-li̍p McAfee Associates kong-si, tè-bé koh tī 1994 nî chū kong-si thè-hiu.