Biolcati is an Italian surname from Emilia and Rovigo, possibly derived from the , a local agricultural unit of measurement, and thus indicating a landowner. Notable people with the name include:
Lena Biolcati (born 1960), Italian singer Massimo Biolcati (born 1972), Swedish-Italian-American bassist Maria Ilva Biolcati (1939–2021), known as Milva, Italian singer and actress
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