Consuelos, who is married to daytime talk show host Kelly Ripa, will appear in the upcoming second season as an asylum patient named Spivey, reports Entertainment Weekly.
Season two will be set in a new location with different characters to its debut year.
Starring Jessica Lange, the upcoming season of American Horror Story will take place in an asylum for the criminally insane in the 1960s.
Lange appeared in season one as the Harmon family's neighbour Constance Langdon, but will portray the head of the institution in season two.
Despite the different time and setting, Lange has said that there are similarities between Constance and her new character.
The show's co-creator Ryan Murphy previously revealed that season two will be about sanity.
Watch a trailer for American Horror Story's first season below: