Ollie \o(l)-lie\ as a girl's name (also used as boy's name Ollie), is a variant of Olivia (Latin), and the meaning of Ollie is "olive tree".

The baby name Ollie sounds like Allie and Ellie. Other similar baby names are Ailie, Alie, Alli, Alle, Elli, Aillie, Allia, Millie, Onie, Oralie, Billie, Callie, Kallie, Calie, Cellie, Celie, Collie, Delie, Nellie, Dollie, Elle, Ellia, Ellee, Lallie, Gillie, Julie, Hallie, Halie, Hollie, Illia, Yollie, Jillie, Jolie, Jullie, Kalie, Kellie, Kylie, Lollie, Lillie, Lilie, Mollie, Mallie, Tillie, Mellie, Olla, Olia, Oline, Olive, Orli, Orlee, Orelie, Pollie, Rylie, Sallie, Selie, Tallie, Talie, Ulli, Vallie, Wallie, Willie, Yolie and Zelie.