- John Lambros
- John Lammers
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- John Lane
- John Langston
- John Lanyon
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- John Lawrence
- John Lawrence
- John Lawrie Group Overview
- John Leak
- John LeBoutillier
- John Leclaire
- John Lee
- John Lee
- John Lee
- John Lee
- John Lee
- John Lehman
- John Lema
- John Lemkemeier
- John Lenahan
- John Leo
- John Leonard
- John Leonard
- John Leopardi
- John Lerosen
- John LeVert
- John Lewis
- John Lewis
- John Lewis II
- John Lilley & Gillie Overview
- John Lin
- John Lin
- John Lipman