Maria Laura Mainetti | |
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| Virgin and martyr | |
| Born | Teresina Elsa Mainetti 20 August 1939 Villatico, Colico, Lecco, Kingdom of Italy |
| Residence | Chiavenna, Sondrio, Italy |
| Died | 6 June 2000 (aged 60) Chiavenna, Sondrio, Italy |
| Venerated in | Roman Catholic Church |
| Beatified | 6 June 2021, Stadio Comunale, Chiavenna, Sondrio, Italy by Cardinal Marcello Semeraro |
| Major shrine | Collegiate Church of Saint Lawrence Chiavenna, Sondrio, Italy |
| Feast | 6 June |
Maria Laura Mainetti (born Teresina Elsa Mainetti; 20 August 1939 – 6 June 2000) was an Italian religious sister of the Sisters of the Cross. Mother superior of a convent in Chiavenna that specialised in helping juvenile delinquents, she was stabbed to death in a satanic sacrifice by three teenage girls on the night of 6 June 2000. Mainetti's death was declared a martyrdom by the Congregation for the Causes of Saints in 2020, and she was beatified on 6 June 2021, the twenty-first anniversary of her murder.