All known FF character heights by game:

FFIV:

Cecil: 178cm
Kain: 183cm
Rosa: 162cm
Edward: 174cm
Yang: 182cm
Cid (IV): 159cm
Edge: 175cm
Tellah: 177cm
Rydia (child): 107cm
Palom: 94cm
Porom: 93cm

FFV:

Bartz: 176cm
Lenna: 161cm
Galuf: 168cm
Faris: 172cm
Krile: 154cm
Dorgann: 170cm
Kelger: 174cm
Zeza: 177cm

FFVI:

Terra: 160cm
Locke: 175cm
Edgar: 183cm
Sabin: 190cm
Shadow: 178cm
Cyan: 178cm
Setzer: 175cm
Celes: 172cm
Gau: 163cm
Relm: 153cm
Strago: 151cm
Mog: 122cm
Gogo: 166cm
Umaro: 209cm
Banon: 172cm
Leo: 188cm
Kefka: 167cm
Cid (VI): 163cm
Gestahl: 179cm


FFVII:
Cloud: 173cm
Barret: 197cm
Tifa: 167cm
Aerith: 163cm
Red XIII: 114cm
Yuffie: 160cm
Cait Sith: 100cm
Vincent: 184cm
Cid (VII): 178cm
Sephiroth: 185cm
Hojo: 170cm
Zack: 185cm
Reeve: 180cm
Lucrecia: 163cm
Shelke: 137cm
Shalua: 165cm
Weiss: 189cm
Azul: 285cm
Rosso: 163cm
Nero: 175cm

FFVIII:

Squall: 177cm
Rinoa: 163cm
Quistis: 172cm
Zell: 168cm
Selphie: 157cm
Irvine: 185cm
Laguna: 181cm
Kiros: 191cm
Ward: 217cm
Seifer: 188cm
Angelo: 55cm

FFIX*:
Amarant: 255cm (with hair)
Amarant: 226.3cm (w/o hair)
Freya: 214cm (with hat)
Freya: 187.9cm (w/o hat)
Steiner: 208.5cm (with helmet)
Steiner: 190cm (w/o helmet)
Quina: 190.1cm (with hat)
Quina: 173cm (w/o hat)
Zidane: 182cm (with hair)
Zidane: 173cm (w/o hair)
Dagger: 170cm (with hair)
Dagger: 164cm (w/o hair)
Vivi: 155.3cm (with hat)
Vivi: 121cm: (w/o hat)

*FFIX heights are taken from concept artwork, and are not officially listed as their heights in their bios.

FFX:

Tidus: 175cm
Yuna: 161cm
Yuna (X-2): 162cm
Wakka: 188cm
Lulu: 167cm (175cm w/heels+hairpins)
Kimahri: 204cm
Auron: 182cm
Rikku: 158cm
Rikku (X-2): 159cm
Seymour: 187cm
Yunalesca: 173cm
Jecht: 190cm
Biran Ronso: 250cm
Yenke Ronso: 240cm
Cid (FFX): 192cm
Jyscal Guado: 175cm
Paine: 165cm
Nooj: 188cm
Baralai: 176cm
Gippal: 181cm
Shuyin: 176cm
Lenne: 169cm


FFXII:

Vaan: 170cm
Ashe: 165cm
Basch: 180cm
Penelo: 160cm
Balthier: 183cm
Fran: 187cm (216cm with ears)

FFXIII:

Lightning: 171cm
Snow: 200cm
Vanille: 161cm
Sazh: 189cm (with afro)
Hope: 153cm
Hope (adult): 180cm
Fang: 175cm
Serah: 164cm
Dajh: 117cm (with afro)
Nora Estheim: 163cm
Bartholomew Estheim: 178cm
Gadot: 192cm
Lebreau: 168cm
Maqui: 162cm
Yuj: 181cm
Galenth Dysley: 185cm
Cid (XIII): 199cm
Rygdea: 180cm
Amodar: 186cm
Noel: 185cm
Caius: 195cm

Type-0:

Ace: 168cm
Deuce: 158cm
Trey: 184cm
Cater: 161cm
Cinque: 163cm
Sice: 166cm
Seven: 170cm
Eight: 165cm
Nine: 185cm
Jack: 182cm
Queen: 165cm
King: 187cm
Machina Kunagiri: 175cm
Rem Tokimiya: 160cm
Arecia Al-Rashia: 165cm
Kurasame Susaya: 177cm
Kurasame's Tonberry: 65cm
Khalia Chival VI: 185cm
Suzuhisa Higato: 168cm
Miotsuku Oofumaki: 160cm
Aria Luricara: 145cm
Zaidou Tekise: 175cm
Tadzuru Kisuga: 160cm
The Cranberry Knights: 65cm (with pom-poms)
Izana Kunagiri: 175cm
Naghi Minatsuchi: 178cm
Carla Ayatsugi: 166cm
Mutsuki Chiharano: 146cm
Quon Yobatz: 188cm
Ryid Uruk: 220cm
Emina Hanaharu: 168cm
Kazusa Futahito: 182cm
Zhuyu Voghfau Byot: 185cm
Caetuna: 174cm
Cid Aulstyne: 180cm
Qator Bashtar: 190cm
Nimbus: 192cm
Qun'mi Tru'e: 160cm
Andoria Kaya Tranka Fam Forturio: 135cm
Claes Celestia Misca Sancest: 135cm
Soryu: 160000cm (full length)
Concordian King: 132cm
Tonogiri: 128cm
Clemente Yuzuki Ness Peacemaker: 130cm
Gilgamesh Ashul: 220cm
Enkidu Uruk: 240cm
Tiz: 160cm
Lean Joker: 182cm