Mierki

{{Infobox settlement

| name = Mierki

| settlement_type = Village

| total_type =  

| image_skyline = Szkola w Mierkach.jpg

| image_caption =

| image_flag =

| image_shield =

| image_map =

| subdivision_type = Country

| subdivision_name = {{POL}}

| subdivision_type1 = Voivodeship

| subdivision_name1 = Warmian-Masurian

| subdivision_type2 = County

| subdivision_name2 = Olsztyn

| subdivision_type3 = Gmina

| subdivision_name3 = Olsztynek

| coordinates = {{coord|53|35|N|20|19|E|region:PL|display=title,inline}}

| pushpin_map = Poland

| pushpin_label_position = bottom

| elevation_m =

| population_total = 350

| website =

}}

Mierki {{IPAc-pl|'|m|j|e|r|k|i}} is a village in the administrative district of Gmina Olsztynek, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland.{{TERYT}} It lies approximately {{convert|3|km|mi|0|abbr=on}} east of Olsztynek and {{convert|26|km|mi|0|abbr=on}} south-west of the regional capital Olsztyn.