Marieta Ilcu (born October 16, 1962 in Darabani, Botoşani) is a retired Romanian long jumper. In 1989 she won a silver medal at the World Indoor Championships, and jumped 7.08 metres in June. This would remain her personal best. In 1993 she celebrated her greatest sporting triumph as she won the World Indoor Championships.

Year	Competition	Venue	Position
Representing Romania
1987	World University Games	Zagreb, Yugoslavia	1st
1989	World Indoor Championships	Budapest, Hungary	2nd
1990	European Championships	Split, Yugoslavia	2nd
1991	World Indoor Championships	Seville, Spain	3rd
	World Championships	Tokyo, Japan	6th
1992	European Indoor Championships	Genoa, Italy	2nd
1993	World Indoor Championships	Toronto, Canada	1st