PLU Views 15 meanings found PLU commonly appears in retail and computing as a Price Look‑Up code or Primary Logical Unit, and it is also used informally to refer to “People Like Us.” Miscellaneous Proud Libras United Part Look Up Phi Lambda Upsilon Community Pacific Lutheran People Like Us Professional Learning Unit Governmental Program Load Unit Poor Law Union Programmable Load Unit Academic & Science Pacific Lutheran University Regional Pamphula, Minas Gerais, Brazil Computing Primary Logical Unit Business Price Look Up Price List Unit Product Look Up