Lengo
- Alternate names: Doku, Ruavatu, Tadhimboko
- Scriptures published: None
- Literacy: Literacy rate in first language: 30%--60%. Literacy rate in second language: 25%--50%
- Primary country: Solomon Islands
- Region: North and east central Guadalcanal
- Religion: No information available.
- Number of users: 13,800
(data from Ethnologue and other sources)