Liliana María Martinelli (born May 20, 1970) is a retired female discus thrower from Argentina.
She competed in the discus contest at the 1996 Summer Olympics in Atlanta, Georgia. There she ended up in 35th place (55.68 metres). Martinelli set her personal best in the women's discus throw event (58.24 metres) on April 21, 1996 in Buenos Aires.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 1989 | Montevideo, Uruguay | bgcolor=silver | 2nd | Discus | 42.74 m | |
| 1990 | Ibero-American Championships | Manaus, Brazil | 5th | Discus | 47.98 m | |
| South American Games | Lima, Peru | bgcolor=gold | 1st | Discus | 48.00 m AR | |
| 1992 | Ibero-American Championships | Seville, Spain | 7th | Discus | 51.10 m | |
| 1993 | Lima, Peru | 6th | Shot put | 11.80 m | ||
| 3rd | Discus | 52.80 m | ||||
| 1994 | Ibero-American Championships | Mar del Plata, Argentina | bgcolor=silver | 2nd | Discus | 56.18 m |
| South American Games | Valencia, Venezuela | bgcolor=silver | 2nd | Discus | 56.74 m | |
| 1995 | Mar del Plata, Argentina | 5th | Discus | 53.92 m | ||
| Manaus, Brazil | 3rd | Discus | 54.32 m | |||
| 1996 | Ibero-American Championships | Medellín, Colombia | 5th | Discus | 51.94 m | |
| Atlanta, United States | 35th (q) | Discus | 55.68 m | |||
| 1997 | Mar del Plata, Argentina | 2nd | Discus | 52.26 m | ||
| 1999 | Bogotá, Colombia | 3rd | Discus | 49.11 m | ||