Abby was an American sitcom that aired on UPN from January 6, 2003 to March 4, 2003. The show's original title was Abby Walker, but was soon changed.

Abby was the name of an interbank network connecting Hibernia National Bank's ATMs in Louisiana and Texas.

Abby is a female Japanese popular music artist. Her only single as of yet is 2001's "DOORS," which was featured as the theme song to at least one television show and one event listed below. Not much is known about Abby; her official website (which no longer exists) simply stated that she is a "Japanese person who likes to draw pictures".