Preonzo

Infobox Swiss town
subject_name = Preonzo
municipality_name = Preonzo
municipality_type = municipality
imagepath_coa = Preonzo-coat of arms.svg|pixel_coa=

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languages = Italian
canton = Ticino
iso-code-region = CH-TI
district = Bellinzona
lat_d=46|lat_m=16|lat_NS=N|long_d=9|long_m=00|long_EW=E
postal_code = 6523
municipality_code = 5015
area = 16.45
elevation = 250|elevation_description=
population = 538|populationof = December 2004 | popofyear = 2004
website =
mayor = |mayor_asof=|mayor_party=
mayor_title = |list_of_mayors =
places =
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neighboring_municipalities= Claro, Cresciano, Cugnasco, Gnosca, Gorduno, Lavertezzo, Lodrino, Moleno, Monte Carasso, Vogorno
twintowns = |

Preonzo is a municipality in the district of Bellinzona in the canton of Ticino in Switzerland.