Czarnostów

{{Infobox settlement

| name = Czarnostów

| settlement_type = Village

| total_type =  

| image_skyline =

| image_caption =

| image_flag =

| image_shield =

| image_map =

| subdivision_type = Country

| subdivision_name = {{POL}}

| subdivision_type1 = Voivodeship

| subdivision_name1 = Masovian

| subdivision_type2 = County

| subdivision_name2 = Maków

| subdivision_type3 = Gmina

| subdivision_name3 = Karniewo

| coordinates = {{coord|52|48|N|21|0|E|region:PL|display=title,inline}}

| pushpin_map = Poland

| pushpin_label_position = bottom

| elevation_m =

| population_total =

| website =

}}

Czarnostów {{IPAc-pl|cz|a|r|'|n|o|s|t|u|f}} is a village in the administrative district of Gmina Karniewo, within Maków County, Masovian Voivodeship, in east-central Poland.{{TERYT}} It lies approximately {{convert|10|km|mi|0|abbr=on}} south-west of Maków Mazowiecki and {{convert|65|km|mi|0|abbr=on}} north of Warsaw.