Authors born in 1978
- Martin Villeneuve Scriptwriter, 1978
- Mat Kearney Musician, 1978
- Matt Apuzzo Journalist, 1978
- Matt Bellamy Musician, 1978
- Matt Hancock Politician, 1978
- Matthew Davis Actor, 1978
- Matthew Goode Actor, 1978
- Matthew Morrison Actor, 1978
- Merritt Wever Actress, 1978
- Mia Maestro Actress, 1978
- Michael East Middle-Distance Runner, 1978
- Michael McMillian Actor, 1978
- Michael Mosley Actor, 1978
- Michaela Conlin Actress, 1978
- Michelle Borth Actress, 1978
- Michelle Rodriguez Actress, 1978
- Mike Birbiglia Comedian, 1978
- Mike Moreno Jazz Guitarist, 1978
- Milton Bradley Baseball Player, 1978
- Molly Bloom Entrepreneur, 1978
- N.D. Wilson Author, 1978
- Nadine Velazquez Actress, 1978
- Nadège Vanhee-Cybulski Fashion Designer, 1978
- Nafisa Joseph Model, 1978
- Nancy Anderson Actress, 1978
- Nate Holland Snowboarder, 1978
- Nate Powell Cartoonist, 1978
- Nate Silver Journalist, 1978
- Nathaniel Rateliff Singer-Songwriter, 1978
- Neel Burton Psychiatrist, 1978
- Negin Farsad Comedian, 1978
- Neil Druckmann Writer, 1978
- Neil Lowe Rugby Union Player, 1978
- Neil Sanderson Drummer, 1978
- Nelly Furtado Singer-Songwriter, 1978
- Nicholas Kroll Actor, 1978
- Nichole Hiltz Actress, 1978
- Nick "Peanut" Baines Musician, 1978
- Nick Easter Rugby Union Player, 1978
- Nick Johnson Baseball Player, 1978