Blackwelder may refer to:
People
Eliot Blackwelder (1880–1969), American geologist Myra Blackwelder (born 1955), American professional golfer Richard E. Blackwelder (1909−2001), American entomologist
in geology
Blackwelder Glacier, glacier in Antarctica. Mount Blackwelder, Antarctic mountain. Blackwelder Mountains, in Nunavut
in other uses:
Blackwelder, a musical group fronted by former Primal Fear singer Ralf Scheepers