Kol
Kol may refer to:

 Kol (Ferengi), a Ferengi who lived during the 24th century
 Kol (Klingon), a Klingon who lived during the 23rd century
 Qol, a similiarly named 24th century Ferengi

Other references

 Kol-Sha, the father of the above-named Klingon 
 Kol-Tai, a Dramen colonist