PHD

PHD or PhD may refer to:

Academia

• Doctor of Philosophy, an academic qualification

Entertainment

• PhD: Phantasy Degree, a Korean comic series
• Piled Higher and Deeper, a web comic
• "PHD", a song on the album Tweekend by the Crystal Method

Organizations

• Parisada Hindu Dharma, an Indonesian reform organization
• Ph.D. (band), a 1980s British group
• PHD Mountain Software, an outdoor clothing and equipment company
• PHD Worldwide, a global media agency network

Science and technology

• PhD Docbook renderer, an XML renderer
• PHD finger, a protein sequence