PTM

PTM may refer to:

Science and technology

• Polynomial texture mapping, a digital imaging technique
• Post-translational modification, covalent and generally enzymatic modification of proteins following protein biosynthesis by ribosomes
• Post-transition metal, a grouping of chemical elements
• Probabilistic Turing machine, in theoretical computer science
• Pulse time modulation, a pulse modulation method

Other uses

• Parent–teacher meeting, a meeting of parents with teachers to discuss the progress of school students
• President's Tatrakshak Medal, a military decoration of the Indian Coast Guard
• Pashtun Tahafuz Movement, a human rights movement in Pakistan for the Pashtun people
• Polygyny threshold model, a theory explaining polygyny
• Portugal. The Man, an American rock band