Nelida "Nellie" Avila Pou[1] (/poʊ/ POH;[2] born May 20, 1956) is an American civil servant and politician currently serving as the U.S. representative from New Jersey's 9th congressional district.

[5] On August 29, 2024, Pou was selected to replace Rep. Bill Pascrell on the ballot as the Democratic candidate in New Jersey's 9th congressional district following his death eight days earlier.

[9] She also served on the New Jersey Task Force on Child Abuse and Neglect (1997–2016) and on the Passaic-Bergen County HIV Health Services Advisory Council (1993–1997).

[4] Pou was appointed to a vacant seat previously held since 1988 by Bill Pascrell in the New Jersey General Assembly on January 29, 1997.

[13] On August 29, Passaic County Democratic committee members nominated Pou to run to represent New Jersey's 9th congressional district, facing Republican Billy Prempeh in the 2024 election.