Mirella is a feminine given name, cognate to Mirela. Notable people with the name include:

• Mirella (born 2005), Finnish singer
• Mirella Amato, bilingual beer consultant, beer sommelier and author in Toronto, Ontario, Canada
• Mirella Arnhold (born 1983), Brazilian alpine skier
• Mirella Avalle (1922–2012), Italian sprinter
• Mirella Bentivoglio (1922–2017), Italian sculptor, poet, performance artist and curator
• Mirella Cesa (born 1984), Ecuadorian singer who has won several awards and been called the "mother of Andipop"
• Mirella Levi D'Ancona (1919–2014), Italian-born American art historian and professor.
• Mirella D'Angelo (born 1956), Italian actress
• Mirella Freni (1935–2020), Italian soprano whose repertoire includes Verdi, Puccini, Mozart and Tchaikovsky
• Mirella Gregori (born 1967), a woman who mysteriously disappeared from Rome in May 1983
• Mirella Harju (born 1982), Finnish former racing cyclist
• Mirella Latorre (1919–2010), Chilean radio and television actress
• Mirella Maniani-Tzelili (born 1976), retired Greek track and field athlete who competed in the javelin throw
• Mirella van Melis (born 1979), retired female track and road racing cyclist from the Netherlands
• Mirella Papaeconomou, Greek television screenwriter
• Mirella Parutto (born 1936), Italian operatic soprano and later mezzo-soprano
• Mirella Ricciardi (born 1931), Kenyan-born photographer and author