Namesakes
Notable Philosophers and Thinkers:
1 theologian
Tertullian (a.k.a. Quintus) c. 160-c. 225 
Notable Writers:
2 poets
Ennius (a.k.a. Quintus) c. 239-c. 169 BC
Horace (a.k.a. Quintus) 65-8 BC
Saints:
2 saints
Saint Quintus ?-251
Saint Quintus of Phrygia ?-c. 283
Shakespearian Characters:
2 characters
Quintus Titus Andronicus
Caius Ligarius (a.k.a. Quintus) Julius Caesar