Theo.
A male given name from Ancient Greek and nickname.
Meaning & usage
A male given name from Ancient Greek and nickname.
A diminutive of the female given name Theodora.
Where this word comes from
Short form of Theodore, or of the rare given names Theobald, Theophilus or Theodoric, or of Theodora.
Try it on your idea.
Theo has 4 characters. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.
These are naming prompts. Meanings and pronunciation can vary; existing brand and domain uses have not been checked.
Explore the name generatorA word with a source.
Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.