Dasan is used in Korean contexts and is also known from the pen name of scholar Jeong Yak-yong.
Dasan is a name rooted in the indigenous traditions of the Pomo people, a group of Native American tribes indigenous to what is now northern California, particularly the coastal and lake regions around Mendocino and Lake Counties. Within Pomo naming traditions, Dasan is understood to mean ruler of the bird clan or leader of the bird people, connecting the bearer to one of the central organizing totemic structures of tribal life. Bird clans held significant roles in Pomo ceremony and governance, and a name that invoked leadership within them carried real social and spiritual weight.
The name largely remained outside mainstream American naming culture until the late twentieth century, when a broader interest in Native American names began to surface among parents — sometimes from within Indigenous communities reclaiming heritage, and sometimes from non-Native families drawn to the name's strong sound and natural imagery. This dual adoption has made Dasan a name that sits at a complicated crossroads of cultural reclamation and cultural borrowing, a tension that surrounds many indigenous names in the contemporary naming landscape. Dasan has a clean, assertive phonology — two syllables, a hard D opening, a soft ending — that gives it a contemporary feel even as its roots reach back centuries.
It appears occasionally in genealogical records among families from California and the Pacific Northwest, and has attracted modest but growing usage in recent decades. For families with Pomo heritage, it is a living connection to ancestral structures of leadership and belonging. For others, it is a name whose meaning and origin deserve to be understood before it is worn.