Separate campaigns have been launched around the country
Gardaí are seeking the publics help in tracing a number of missing people around the country.
Information is being sought on four separate people including one man who has been missing for over a year.
In Meath, gardaí in Navan are attempting to trace the whereabouts of a missing teenager.
16-year-old Ronnie Wilde has not been seen in over a week, when he was on Abbey Road in the town.
Gardaí in Dublin are searching for two men: 32-year-old Diarmuid Lawlor was last seen on October 26th at around 6.00pm at Singe Street.
While separately in Swords, 27-year-old Marcel Tiba has not been since around 6.30pm on Wednesday of this week.
In Kilkenny, gardaí have renewed their appeal for information on 47-year-old Valerijs Zimecs - who was last seen in the Freshford Road/Talbot Court estate area on November 1st last year.
Anyone with information is asked to contact gardaí.