Look up Marcellus in Wiktionary, the free dictionary.
Marcellus may refer to:
- Marcellus (name)
- Marcellus of Ancyra, fourth-century Christian bishop and theologian
- Marcus Claudius Marcellus, Roman commander
- Marcellus of Tangier
- Marcellus Empiricus
- Marcellus (nephew of Augustus)
- Marcellus (magister equitum)
- Marcellus (usurper)
- Marcellus (comes excubitorum)
- Marcellus (prefect of Judea)