| Marijo Šivolija | |
| Fullname: | Marijo Šivolija-Jelica |
| Club: | BC Rijeka |
| Birth Date: | 29 June 1981 |
| Birth Place: | Omišalj, Primorje-Gorski |
| Weight: | 81kg (179lb) |
Marijo Šivolija-Jelica (born 29 June 1981 in Omišalj) is a Croatian amateur boxer and two-time Olympian best known to medal repeatedly in international competition at light heavyweight.
He also manages heavyweight boxer Mark de Mori.
In 2003 he won a silver medal at the European Championships.
In Athens at the Olympics 2004 he was upset in the first round by Edgar Muñoz.
In 2005 he won a silver medal at the World Championships where he beat Armenian Artak Malumyan 20:10 in the semis but was defeated in the final by Kazakh Yerdos Dzhanabergenov 12:27.
At the Euros he was upset early by Frenchman Mamadou Diambang 23:27.
In 2007 at the World Championships he lost to eventual winner Abbos Atoev in the quarterfinals 6:17.
At the Olympics 2008 he lost his second match to Dzhakhon Kurbanov 1:8.
He has since become the manager of heavyweight boxer Mark de Mori.