Etto may refer to:
Etto (born 1981; Oélilton Araújo dos Santos), Brazilian soccer player Saint Etto (died 660); see Chronological list of saints in the 7th century etto (unit), a Sumatran traditional unit of measurement for length; see Indonesian units of measurement etto- (prefix), a non-standard metric prefix for 102 -etto (suffix), an Italian language suffix for creating an Italian name using Italian grammar diminutive creation; see List of diminutives by language Etto principle, the efficiency–thoroughness trade-off principle]
See also
EETO Etoo (disambiguation) ETO (disambiguation) Etta (disambiguation) Ette (disambiguation) Etty (disambiguation), including Etti