Michal Elwiro Andriolli (Lithuanian: Mykolas Elvyras Andriolis, Italian: Elviro Michele Andriolli; 2 November 1836, in Vilnius – 23 August 1893, in Naleczów) was a Polish painter and architect of Italian descent.
He is notable for his illustrations to Mickiewicz's Pan Tadeusz, as well as a distinctive style of villas built outside Warsaw.
He was probably most well known for his architecture — Swidermajer.
This was a regional architectural style common in the Otwock, Poland region.
These structures were wooden in construction and were popularized from the turn of the 19th and 20th centuries.
Its creator was Michal Elwiro Andriolli.
It is characterized by gazebos and decorations above the windows, some of the houses also had turrets.
Pine trees were planted together with the buildings as part of the composition.