山丹（学名：Lilium pumilum），又名山丹百合、细叶百合、山丹丹、珊瑚百合、野百合、萨日朗花、卷莲花、灯伞花、散莲伞、松叶百合、线叶百合、细叶小鬼百合、红百合、糸叶百合、糸百合，是百合科百合属多年生草本植物，分布于中国大陆的陕西、甘肃、宁夏、青海、山西、山东、河北、河南、辽宁、吉林、黑龙江、内蒙古以及朝鲜、蒙古、西伯利亚中部和东部等地，多生于山坡草地、林缘，生长在海拔400米至2,600米的地区，由于其花朵美丽娇艳，花色火红，是极好的园艺观赏花卉和切花材料，适于布置花坛和花境。

Lilium pumilum is an Asian species of bulbous plants native to Mongolia, Siberia, the Russian Far East (Amur Krai, Primorye, Khabarovsk), Korea and northern China.

It is a stem-rooting bulb that grows up to 1 metre (3 ft 3 in) high, though usually rather less. The bulb itself is 4–5 inches (100–130 mm) deep and live from 2 to 4 years. The leaves are slender and grassy. It bears from one to twenty reflexed and nodding flowers, usually red in colour, and which may be spotted with black. The flowers are scented.