- Alex Hesketh
- Alex Hicks
- Alex Horsbrugh-Porter
- Alex Horvitz
- Alex Howell
- Alex Hume
- Alex Huron
- Alex Hutchens
- Alex Iannaccone
- Alex Iliopoulos
- Alex Ismail
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- Alex Jackson
- Alex Jakubowski
- Alex Johnston
- Alex Jones
- Alex Kasdan
- Alex Katsnelson
- Alex Kaufman
- Alex Kauye
- Alex Kay
- Alex Kelley
- Alex Kelley
- Alex Kelly
- Alex Kessel
- Alex Kesseler
- Alex Khalarian
- Alex Kim
- Alex Kim
- Alex Kim
- Alex Kleiner
- Alex Knopick
- Alex Knowland
- Alex Krueger
- Alex Kuhlman
- Alex Kulikowski
- Alex Kummant
- Alex Lam
- Alex Lam
- Alex Lau
