The present invention provides an antibody, or an antigen-binding fragment thereof, which immunospecifically binds to human KIT, polynucleotides comprising nucleotide sequences encoding such an antibody or an antigen-binding fragment thereof, and expression vectors and host cells for producing such an antibody or an antigen-binding fragment thereof. The present invention also provides a conjugate and a pharmaceutical composition comprising the antibody or antigen-binding fragment of the invention.