Redella S. "Del" Pepper (born 1937 or 1938) is an American politician who served on the Alexandria, Virginia city council from 1985 until the beginning of 2022 and vice mayor (most votes among council members) 1996 to 1997 and 2003 to 2009. She announced in 2020 that she was not running for reelection in 2021 and was the oldest and longest-serving member of the city council when she left office after 36 years.