|Nickname||Con (Carol Hathaway's nickname for her)|
|Behind the scenes|
|Portrayer:||Conni Marie Brazelton|
|First episode||24 Hours|
|Last episode||Dear Abby|
Connie Oligario is a recurring character in ER. She is a senior nurse in the County General ER. She debuted in the series pilot "24 Hours."
She is most prominent through seasons 1,2&3 though she makes appearances throughout. In season 2, she gets pregnant and takes maternity leave in the episode Baby Shower after some of Doc Magoo's labor inducing beet soup. Connie comes back a few episodes later. In the episode Dear Abby during Romano's reign of terror, Romano fires but she gets rehired. Though we don't see her again.