Sieniczno
{{Infobox settlement
| name = Sieniczno
| settlement_type = Village
| total_type =
| image_flag =
| image_shield =
| image_map =
| subdivision_type = Country
| subdivision_name = {{POL}}
| subdivision_type1 = Voivodeship
| subdivision_name1 = Lesser Poland
| subdivision_type2 = County
| subdivision_name2 = Olkusz
| subdivision_type3 = Gmina
| subdivision_name3 = Olkusz
| coordinates = {{coord|50|16|N|19|37|E|region:PL|display=title,inline}}
| pushpin_map = Poland
| pushpin_label_position = bottom
| elevation_m =
| population_total =
| website =
}}
Sieniczno {{IPAc-pl|ś|e1|'|n|i|cz|n|o}} is a village in the administrative district of Gmina Olkusz, within Olkusz County, Lesser Poland Voivodeship, in southern Poland.{{TERYT}} It lies approximately {{convert|5|km|mi|0}} south-east of Olkusz and {{convert|33|km|mi|0|abbr=on}} north-west of the regional capital Kraków.