溪生（越：Khe Sanh／溪生），或音译做「溪山」，是越南广治省向化县县府，位于东河市以西63公里。

该地名在现代越南语中为「Khe Sanh」，由于现代越南语使用罗马字表记，而鲜有使用原汉字或喃字表记该地名，使得现代汉语对其名称的翻译产生含糊。事实上，其名称中的「Khe」的对应汉字为「溪」（此处为「溪」的喃音，其标准汉越音为：「khê」），「Sanh」对应汉字为「生」,而非音译的「山」字（「山」在越语中的读音为「sơn」，与「Sanh」差异很大），故该地名的中文名称应为「溪生」。现在有人所说的「溪山」则是根据越文罗马字所作的音译。

Khe Sanh is the district capital of Hướng Hoá District, Quảng Trị Province, Vietnam, located 63 km west of Đông Hà. During the Vietnam War, the Khe Sanh Combat Base was located to the north of the city. The Battle of Khe Sanh took place there. The Khe Sanh Combat Base is a museum where relics of the war are exhibited. Most of the former base is now overgrown by wilderness or coffee and banana plants.