Posti can refer to:

• Posti (film), a Punjabi film
• Posti Group, the Finnish national post office
• Posti, Estonia, a place in south-eastern Estonia
• Posti S.A., tea company in Poland

• List of people known as the Just
• List of people named Fred
• List of People of Hungarian Origin
• List of people of Hungarian origin
• List of people of Korean descent
• List of people on postage stamps
• List of people on stamps of Bahawalpur
• List of people on stamps of Barbuda
• List of people on stamps of British Columbia
• List of people on stamps of British Columbia and Vancouver Island
• List of people on stamps of Kionga
• List of people on stamps of Lombardy-Venetia
• List of people on stamps of New Brunswick
• List of people on stamps of Newfoundland
• List of people on stamps of New Guinea
• List of people on stamps of Nova Scotia
• List of people on stamps of Philippines
• List of people on stamps of Pitcairn
• List of people on stamps of Prince Edward Island
• List of people on stamps of the Pitcairn Islands
• List of people on stamps of Vancouver Island
• List of people on stamps of Victoria
• List of people on stamps/Temp
• List of people on the postage stamps of Abu Dhabi
• List of people on the postage stamps of Afghanistan