Dainan () is a town under the administration of Xinghua City in east-central Jiangsu province, China. It has 4 residential communities () and 33 villages under its administration. The town is located in the southeast of Xinghua City, bordering Dongtai to the east and Jiangyan to the south, and has a population of 93,000 living in an area of . Part of that area is known as the "cradle of stainless steel" () production, and this economic activity gives rise to the nickname "No. 1 Town of Central Jiangsu" ().
{{Infobox settlement
| name = Dainan | native_name = 戴南镇 | native_name_lang = zh-cn | settlement_type = Town | image_skyline = | image_alt = | image_caption = | image_flag = | flag_alt = | image_seal = | seal_alt = | image_shield = | shield_alt = | nickname = | motto = | image_map = | map_alt = | map_caption =
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).