1991
- 1991 – 1 International Civil Defence Day – 1 March 1991
- 1991 – 2 South & West Asia Postal Union Commemoration – 12 March 1991
- 1991 – 3 World Population Day – 11 July 1991
- 1991 – 4 Special Olympics International – 19 July 1991
- 1991 – 5 Pioneers of Freedom – 14 August 1991
- 1991 – 6 Golden Jubilee Habib Bank Ltd – 25 August 1991
- 1991 – 7 St Joseph Convent School – 8 September 1991
- 1991 – 8 Emperor Sher Shah – 5 October 1991
- 1991 – 9 Pakistan Scientific Expedition to Antarctica
- 1991 – 10 Wildlife Series – 4 November 1991
- 1991 – 11 25Years of the Asian Development Bank – 19 December 1991
- 1991 – 12 300th Anniversary of Hazrat Sultan Bahoo – 22 December 1991
- 1991 – 13 Painters of Pakistan – 24 December 1991
- 1991 – 14 100th Anniversary of American Express Travellers Cheques – 26 December 91
Read more about this topic: List Of Postage Stamps Of Pakistan From 1987 To 1996