Delena is an unincorporated community in Columbia County, Oregon, United States.

[2] Delena had a post office that operated intermittently from April 22, 1892, to March 15, 1922.

It may refer to a mythological name that Meserve found in a book or it may be the name of someone in Meserve's family or it may refer to a place in Nebraska.

In 1947, W. N. Meserve, Meserve's brother, told the OGN compiler that the mythological explanation was correct, and the compiler could find no place named Delena in Nebraska.

This Columbia County, Oregon state location article is a stub.