Klaartje Martens (born 1965) is a textile and accessory designer, based in Arnhem, the Netherlands. Klaartje Martens graduated in 1992 from the Fashion Design department of the AKI, the Academy for Art and Industry in Enschede. She works as an independent designer and teaches at the Product Design department of ArtEZ in Arnhem. She designs her own scarves, bags and merchandising.