Mengdong

{{Infobox settlement

| name = Mengdong

| native_name = {{zh|勐董}}
Va: Meng Doung / Gaeng Dum

| settlement_type = Town

| image_map = Map of Mengdong Town.jpg

| map_caption = Mengdong Town (red) in Cangyuan County

| coordinates = {{coord|23|08|51|N|99|14|57|E}}

| subdivision_type = Country

| subdivision_name = China

| subdivision_type1 = Province

| subdivision_name1 = Yunnan

| subdivision_type2 = Prefecture-level city

| subdivision_name2 = Lincang

| subdivision_type3 = County

| subdivision_name3 = Cangyuan Va Autonomous County

| established_title = Established time

| established_date = 1936

| unit_pref = Metric

| area_total_km2 = 260.07

| population_as_of = 2010 census

| population_total = 35,741

| population_density_km2 = auto

| postal_code_type = Postal code

| postal_code = 677499

| area_code_type = Phone number

| area_code = 883

| image_skyline = 勐董镇人民政府 - 2024-10-14.jpg

| image_caption = Mengdong town hall

}}

Mengdong({{zh|勐董}}; Va: Meng Doung{{cite AV media |title=沧源佤族自治县人民政府 - 门牌 - 2024-10-14 |type=image |url=https://commons.wikimedia.org/wiki/File:%E5%8B%90%E8%91%A3%E9%95%87%E4%BA%BA%E6%B0%91%E6%94%BF%E5%BA%9C_-_%E9%97%A8%E7%89%8C_-_2024-10-14.jpg |access-date=2024-12-08 }} / Gaeng Dum{{cite book |url=http://mall.cnki.net/reference/ref_readerItem.aspx?bid=R200610031&recid=R2006100310001606 |title=佤汉简明词典 |author=颜其香 |date=1981 |language=zh |publisher=Yunnan National Publisher}}) is a town of Cangyuan Va Autonomous County and the government seat of the county. Guangyun Temple was built in 1828, which is one of the major historical and cultural sites of China. Mengdong is also a land port of China which connects to Wa State of Myanmar.{{cite book |author1=段丽元 |author2=Ministry of Civil Affairs |title=中华人民共和国政区大典 云南卷 |location=Beijing |publisher=China Social Publisher |pages=1497–1498 |date=2016 |isbn=978-7-5087-5306-5}}