- program round-up
- program roundup
- programme round-up
- programme roundup
- PROGRES : PROgrammed Graph REwriting Systems
- Progress
- progression-free survival , PFS
- progressive bulbar palsy of childhood
- progressive bulbar palsy
- progressive income tax
- progressive familial intrahepatic cholestasis , PFIC
- progressive house
- progressive inflammatory neuropathy , PIN
- progressive jazz
- progressive multiple hyaloserositis
- progressive multifocal leukoencephalopathy , PML
- progressive muscle relaxation , PMR
- progressive retina atrophy , PRA
- progressive rubella panencephalitis, PRP
- progressive supranuclear palsy, PSP
- progressive systemic scleroderma , PSS
- progressive systemic sclerosis
- progressive trance
- progressive scale of tax rates
- proguanil
- proinflammatory cytokine , PIC
- pro-Iranian
- pro-Israeli
- Project 56
- Project 57
- Project 58
- Project X
- Project: Earth
- project closure
- projekt analysis
