quin·tup·let 
(kwĭn-tŭplĭt, kwĭntŭp′-)
(kwĭn-tŭplĭt, kwĭntŭp′-)n.
1. One of five offspring born in a single birth.
2. A group or combination of five associated by common properties or behavior.
[From QUINTUPLE (modeled on TRIPLET).]
- Marcus Aemilius
- Marcus Annaeus Lucanus.
- Marcus Antonius.
- Marcus Aurelius
- Marcus Aurelius Antoninus
- Marcus Aurelius Antonius.
- Marcus Aurelius Claudius Gothicus.
- Marcus Cook
- Marcuse
- Marcus Fabius Quintilianus.
- Marcus Junius
- Marcus Licinius
- Marcus (Moziah) Aurelius
- Marcus Porcius
- Marcus Porcius
- Marcus Rothkowitz.
- Marcus Terentius
- Marcus Tullius
- Marcus Ulpius Trajanus.
- Marcus Valerius Martialis.
- Marcus Vipsanius
- Marcus Vitruvius Pollio.
- Marcy
- Mar del Plata
- Mardi Gras