Japanese symbol for “sigma”

In Japanese, sigma is Σ, read シグマ (shiguma).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

1. n sigma

Written forms: Σ、σ、ς. Readings: シグマ.

See also: Chinese symbol for “sigma”.

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.