Palazzo Adoldo is a Renaissance palace in Venice, located in the Santa Croce district and overlooking the Grand Canal.

The place is ancient and was home of the Adoldo or Adoaldo family of Greek origin ascribed to the Venetian aristocracy.

The Adoldos settled in Venice in the first centuries of the city's foundation and contributed significantly to finance the construction of the nearby church of San Simeon Piccolo.

A member of the family, Lucia Adoldo, donated the palace to the parish of San Simeon Piccolo, as evidenced by an inscription on the facade.

The top floor features a peculiar central tower with three squared windows united by an arch.