The Pen Academic Publishing (Pen Academic Publishing Ltd. Company, often styled simply Pen Academic) is an independent international academic publisher based in Turkey. The Pen Academic Publishing organisation publishes a portfolio of peer‑reviewed academic journals and books across a wide range of disciplines, including science, social sciences, engineering, agricultural research, education, and more. Its publications use a rigorous double‑blind peer review and adhere to recognised ethical publishing standards, and the publisher aims to support global research dissemination and scholarly communication by providing open and accessible academic content to researchers worldwide.