Nowy Secymin

{{Infobox settlement

| name = Nowy Secymin

| settlement_type = Village

| total_type =  

| image_skyline = 020313 Nativity of the Blessed Virgin Mary Church in Nowy Secymin - 00.jpg

| image_caption = The Blessed Virgin Mary Church in Nowy Secymin

| image_flag =

| image_shield =

| coordinates = {{coord|52|23|04|N|20|25|23|E|source:kolossus-plwiki|display=title,inline}}

| pushpin_map = Poland

| subdivision_type = Country

| subdivision_name = {{POL}}

| subdivision_type1 = Voivodeship

| subdivision_name1 = Masovian

| subdivision_type2 = County

| subdivision_name2 = Nowy Dwór

| subdivision_type3 = Gmina

| subdivision_name3 = Leoncin

| elevation_m =

| population_total =

| website =

}}

Nowy Secymin {{IPAc-pl|'|n|o|w|y|-|s|e|'|c|y|m|i|n}} (German Deutsch Secymin{{Cite web|url=http://rcin.org.pl/dlibra/doccontent?id=31639|title=Karte der Deutschen Siedlungen in Mittelpolen : Maßstab 1:500 000|year=1938}}) is a village in the administrative district of Gmina Leoncin, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland.{{TERYT}} According to the 2011 Polish census, it has a population of 129.{{Cite web |title=Główny Urząd Statystyczny |url=https://stat.gov.pl/ |access-date=2023-12-04 |website=stat.gov.pl}}