| Nationality: | Italian |
| Sport: | Athletics |
| Event: | Discus throw |
| Birth Date: | 1961 3, mf=yes |
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| Country: |  Italy |
Maria Marello (born 11 March 1961) is a retired Italian discus thrower. She is the coach of the Italian female discus thrower Daisy Osakue,[1] and javelin thrower Zahra Bani.
She won the gold medal at the 1987 Mediterranean Games[2] and finished fifth at the 1991 Mediterranean Games. She also competed at the 1987 World Championships without reaching the final.
Marello became Italian champion twice, in 1987 and 1988.[3] Her personal best time was 57.54 metres, achieved in June 1986 in Verona.[4]