Thought just one big 一覧 would be easy for people to find the モデル portfolios at the Fashion Model Directory :) (not all of them have a portfolio, but if I find someone who does it will be edited)

Cycle 1
* Tessa Carlson
* Katie Cleary
* Nicole Panattoni
* Ebony Haith
* Giselle Samson
* Kesse Wallace
* Robynne "Robin" Manning
* link
* link
* link

Cycle 2
* Anna Bradfield
* Bethany Harrison
* Heather Blumberg
* Jenascia Chakos
* Xiomara Frans
* Catie Anderson
* Sara Racey-Tabrizi
* Camille McDonald
* April Wilkner
* link
* link (now known as Mercedes Yvette)
* link

Cycle 3
* Magdalena Rivas
* Leah Darrow
* Julie Titus
* Laura "Kristi" Grommet
* Jennipher Frost
* Kelle Jacob
* Cassie Grisham
* Toccara Jones
* Nicole Borud
* Norelle バン Herk
* link
* link
* link (now known as Yaya Da Costa)
* link

Cycle 4
* Brita Petersons
* Sarah Dankleman
* ブランデー Rusher
* Noelle Staggers
* Lluviana "Lluvy" Gomez
* Rebecca Epley
* Tiffany Richardson
* Tatiana Dante
* Michelle Deighton
* Christina Murphy
* link
* Keenyah Hill
* Kahlen Rondot
* link

Cycle 5
* Ashley Black
* Ebony Taylor
* Cassandra Whitehead
* Sarah Rhoades
* Diane Hernández
* Coryn Woitel
* Kyle Kavanagh
* link
* link (now known as Kim Stolz)
* Jayla Rubinelli
* link (now known as Bre Scullark)
* link (now known as Nick Pace)
* link

Cycle 6
* Katherine "Kathy" Hoxit
* Wendy Wiltz
* Kari Schmidt
* Gina Choe
* link (now known as Mollie Gondi)
* Alejandra "Leslie" Mancia
* Brooke Staricha
* link
* Furonda Brasfield
* Sara Albert
* Jade Cole
* link
* link (now known as Dani Evans)

Cycle 7
* Christian Evans
* link
* Monique Calhoun
* Megan "Megg" Morales
* link (now known as AJ Stewart)
* Brooke Miller
* link
* Jaeda Young
* Michelle Babin
* Amanda Babin
* link
* link (now known as Melrose Bickerstaff)
* link

Cycle 8
* Kathleen DuJour
* Samantha Francis
* Cassandra Watson
* Felicia Provost
* Diana Zalewski
* link
* Whitney Cunningham
* Jael Strauss
* link (now known as Connie Hatch)
* Dionne Walters
* link
* link (now known as Natasha Galkina)
* link

Cycle 9
* Lyudmila "Mila" Bouzinova
* Kimberly Leemans
* Victoria Marshman
* Janet Mills
* Ebony Morgan
* Sarah Hartshorne
* Ambreal Williams
* link
* link
* link
* Jenah Doucette
* link (now known as Chantal Jones)
* link

Cycle 10
* Kimberly Rydzewski
* Atalya Slater
* Allison Kuehn
* Amy "Amis" Jenkins
* Marvita Washington
* Aimee Wright
* Claire-Aimee "Claire" Unabia
* Stacy Ann Fequiere
* Lauren Utter
* link
* Dominique Reighard
* link
* link (now known as Anya Rozova)
* link

Cycle 11
* "Sharaun" Brown
* Nikeysha Clarke
* Brittany Rubalcaba
* Hannah White
* Isis King
* Clark Gilmer
* link (now known as Brie Harding)
* Joslyn Pennywell
* Sheena Satana
* Elina Ivanova
* link
* Analeigh Tipton
* Samantha Potter
* link

Cycle 12
* Kelly "Isabella" Falk
* Jessica Santiago
* Nijah Harris
* Kortnie Coles
* Sandra Nyanchoka
* Tahlia Brookins
* Lauren "London" Levi-Nance
* link
* Felicia "Fo" Porter
* Celia Ammerman
* Aminat Ayinde
* Allison Harvard
* link

Cycle 13
* Lisa Ramos
* Rachel Echelberger
* Courtney Davies
* Lulu Braithwaite
* Bianca Richardson
* Ashley Howard
* Kara Vincent
* Ashley "Rae" Weisz
* link
* Sundai Love
* Jennifer An
* Erin Wagner
* Laura Kirkpatrick
* link

Cycle 14
* Gabrielle Kniery
* Naduah Rugely
* Ren Vokes
* Simone Lewis
* Tatianna Kern
* Brenda Arens
* Anslee Payne-Franklin
* Alasia Ballard
* Jessica Serfaty
* Alexandra Underwood
* Angelea Preston
* link
* Krista White

Cycle 15
* Anamaria Mirdita
* Terra White
* Sara Blackamore
* Rhianna Atwood
* Alexia "Lexie" Tomchek
* Kacey Leggett
* Kendal Brown
* Esther Petrack
* Lyzbeth "Liz" Williams
* Christin "Chris" White
* Kayla Ferrel
* link
* Chelsey Hersley
* link

Cycle 16
* Angelia Alvarez
* Ondrei Edwards
* Nicole Lucas
* Dominique Waldrup
* Sara Longoria
* Dalya Morrow
* Monique Weingart
* Mikaela Schipani
* Jaclyn Poole
* Kasia Pilewicz
* link
* Hannah Jones
* link
* Brittani Kline

Cycle 17
This cycle was "All-Stars"

Cycle 18
* Jasmia Robinson
* Mariah Watchman    
* Louise Watts     
* Candace Smith    
* Ashley Brown
* Ashley "AzMarie" Livingston
* Ashley "Kyle" Gober
* Seymone Cohen-Fobish    
* Catherine Thomas
* Eboni Davis    
* Alisha White
* Annaliese Dayes
* Laura LaFrate
* link

Cycle 19
* Jessie Rabideau
* Maria Tucker
* Darian Ellis
* Destiny Strudwick
* Yvonne Powless
* Allyssa Vuelma
* Brittany Brown
* Victoria Henley
* Kristin Kagay
* Nastasia Scott
* Leila Goldkuhl
* Kiara Belen
* Laura James