Cambodia: Abi-Maria & Kelley Wentworth
Kaoh Rong: Debbie & Cydney

Pearl Islands: Rupert, Sandra
Panama: Cirie, Shane
Cook Islands: Yul, Ozzy
Fiji: Earl, Sylvia
China: Todd, Peih-Gee
Micronesia: Cirie, Parvati
Gabon: Sugar, Crystal
Tocantis: Taj, JT
Samoa: Russel, Laura
Heroes v Villans: Parvati, Russel
Nicaragua: Brenda, Jane
Redemption Island: Rob, Russel
One World: Kim, Tarzan
Philippines: Lisa, Abi-Maria
Caramoan: Brenda, Franceska
Blood vs Water: Tina, Ciera
Cagayan: Kass, Tasha
San Juan Del Sur: Natalie, Reed
Worlds Apart: Jenn, Shireen
Second Chances: Kass, Ciera
Kaoh Rong: Debbie, Aubry

Ok, so far:

Borneo: Jenna & Sue
Australia: Tina & Alicia
Africa: Lindsay & Ethan
Marquesas: Kathy & Neleh
Thailand: Helen & Jan

San Jan Del Sur: Reed & Kelley
Worlds Apart: Jenn & Max
Cambodia: Kelley & Spencer
Kaoh Rong: Caleb & Alecia (I really wanted to include Liz here too :worry:)

Borneo: Kelly, Sonja
Outback: Debb, Maralyn
Africa: Lindsey, Kim P
Marquesas: Sarah and Gina
Thailand: Jan and Gandia
Amazon: Christy and Deena
Pearl Islands: Sandra and Christa
All Stars: no one?
Vanuatu: Scott and Eliza (during my watch John that got 11th)
Palau: Steph and Angie
Guatamela: Cindy and Steph
Panama: Sally and Cirie
Cook Islands: Candice and Parvati
Fiji: Lisi and Sylvia
China: Courtney and Sherea
Micronesia: Tracy and Kathy
Gabon: Kelly and Crystal (and Charlie)
Tocantins: I need to rewatch
Samoa: Shambo
Heroes vs Villains: Candice and Parvati
Nicaragua: Need to rewatch
Redemption Island: Stephenie and Krista
South Pacific: Christine and Stacey
One World: Alicia and Christina
Phillipines: Lisa
Caramoan: Brenda and Laura
Blood vs Water: Candice and Ciera
Cagayan: Kass and Jtia (Spencer and Tasha during the watch EW)
SJDS: Jaclyn and Kelley Wentworth
Worlds Apart: Mike and Shirin
Cambodia: Kelly Wigglesworth and Kelley Wentworth
Kaoh Rong: Debbie and Aubry (and Joe)
Australia 1: Naomi and Craig
Celebrity Australia: Nicole and Imogen
Australia 3: Kylie and Sue

and there are some turkish seasons

pretty sure my list is the longest one

In hindsight:

Pearl Islands: Jonny & Sandra (very close between a few people but she's the most memorable one)
Vanuatu: Twila & Eliza
Palau: Stephenie & Bobby Jon
Guatemala: Cindy & Stephenie/Bobby Jon
Panama: Cirie & Shane (shoutout to Aras)
Cook Islands: Ozzy & Parvati (shoutout to Penner)
Fiji: Earl & Dreamz
China: Amanda & Courtney (shoutout to James)
Micronesia: Amanda & Cirie
Gabon: Corinne & Sugar (shoutout to Matty)
Tocantins: J.T. & Sierra/Stephen
Samoa: Russell & Jaison
HvV: Cirie & Amanda
Nicaragua: Fabio & Brenda
Redemption Island: Boston Rob & Phillip
South Pacific: Ozzy & ... Semhar or Brandon
One World: Troyzan & Alicia (shoutout to Chelsea)
Philippines: Malcolm & Zane
Caramoan: Malcolm & Corinne (shoutout Brenda/Eddie)
BvW: Vytas & Ciera
Cagayan: Tony & Woo
SJDS: Missy & Alec
Worlds Apart: Rodney & Jenn
Cambodia: Keith & Jeremy (shoutout to Kelley)
Kaoh Rong: Alecia & Tai (shoutout to Caleb)
MvGenX (so far): Jay & Hannah

Update:

S1: Richard H., Gervase
S2: Colby, Tina
S3: Ethan, Lex
S4: Rob M., Sean
S5: Brian, Clay (need to see it again, remembering issues)
S6: Rob C., Jenna (need to see it again, remembering issues)
S7: Rupert, Jon (Sandra) (need to see it again, remembering issues)
S8: Rob M., Rupert (need to see it again, remembering issues)
S9: Chris, Twila (need to see it again, remembering issues)
S10: Tom W., Stephenie
S11: Stephenie, Bobby Jon
S12: Terry, Aras (need to see it again, remembering issues)
S13: Yul, Ozzy/Penner (need to see it again, remembering issues)
S14: Earl, Yau-Man (need to see it again, remembering issues)
S15: Todd, James (need to see it again, remembering issues)
S16: Penner, James
S17: Bob, Sugar
S18: J.T, Coach
S19: Russell H, Natalie
S20: Russell H, Jerri
S21: Jud, Holly
S22: Rob M, Russell H.
S23: Coach, Dawn
S24: Kim, Kat
S25: Penner, Malcolm
S26: John C, Malcolm
S27: Tyson, Tina
S28: Spencer, Tasha
S29: Jeremy, Keith
S30: Mike, Shirin
S31: Tasha, Stephen
S32: Tai, Liz
S33: Adam, Ken

Adding to this list.
Second Chance - Jeremy and Joe
Kaoh Rong - Julia and Michele
Millennials vs Gen-X - Michelle and Jay

Borneo - Colleen Haskell and Greg Buis
Australia - Jerri Manthey and Colby Donaldson
Africa - Kelly Goldsmith and Lindsey Richter
Marquesas - Rob Mariano and Neleh Dennis
Thailand - Shii Ann Huang and Penny Ramsey
Amazon - Rob Cesternino and Christy Smith
Pearl Islands - Sandra Diaz-Twine and Burton Roberts
All Stars - Rob Mariano and Amber Brkich
Vanuatu - John Kenney and Ami Cusack
Palau - Tom Westman and Katie Gallagher
Guatemala - Jamie Newton and Stephenie LaGrossa
Panama - Cirie Fields and Danielle DiLorenzo
Cook Islands - Parvati Shallow and Yul Kwon
Fiji - Michelle Yi and Yau-Man Chan
China - Courtney Yates and Peih-Gee Law
Micronesia - Parvati Shallow and Cirie Fields
Gabon - Randy Bailey and Crystal Cox
Tocantins - James Thomas and Sierra Reed
Samoa - Natalie White and Kelly Sharbaugh
Heroes vs Villians - Parvati Shallow and Rob Mariano
Nicaragua - Brenda Lowe and Marty Piombo
Redemption Island - Rob Mariano and Andrea Boehlke
South Pacific - Brandon Hantz and Edna Ma
One World - Kim Spradlin and Christina Cha
Philippines -Abi-Maria Gomes and Lisa Whelchel
Caramoan - Brenda Lowe and Andrea Boehlke
Blood vs. Water - Candice Cody and Ciera Eastin
Cagayan - Spencer Bledsoe and Tasha Fox
San Juan del Sur - Natalie Anderson and Jaclyn Schultz
Worlds Apart - Mike Holloway and Shirin Oskooi
Cambodia - Spencer Bledsoe and Kelley Wentworth
Kaoh Rong - Aubry Bracco and Tai Trang
Millennials vs. Gen X - Adam Klein and Ken McNickle

MvGX: Michaela & Hannah

MvGx: Adam & Ken