A

• Akaali language
• Allamaraine
• Andorian language
• Arkonian language
• Axanar language

B

• B'Zal
• Bajoran language
• Binary language
• Borg language
• Breen language
• Buranian

C

• Cardassian language

D

• Delta Quadrant cytoplasmic lifeform language
• Denobulan language
• Devore language
• Dominionese

F

• Ferengi language

G

• Giamon

H

• Haliian language

I

• Iconian language

J

• Jaradan language

K

• Kobali language
• Kreetassan language
• Kriosian language

M

• M-9
• Malurian language
• Menk language

N

• Nausicaan language

R

• Ravis' language
• Rigelian language
• Risan language
• Romulan language

S

• Sheliak language
• Sign language
• Skrreean language
• Stroyerian
• Swarm species language

T

• Talaxian language
• Tamarian language
• Tholia
• Trill language

V

• Valakian language
• Ventu language
• Vori language
• Vulcan language

X

• Xindi-Aquatic language
• Xindi-Insectoid language