- Collections of lost museums - Friday, 8 January
- National Culture Day.150 years since the first celebration of Romanians abroad - Friday, 15 January
- The passions of the kings of Romania (I) - Friday, 22 January
JANUARY
FEBRUARY
- Delta of Moldova (common) - Wednesday, 3 February
- Falcons - Friday, 12 February
- Buzau, 590 years of documentary attestation - Tuesday, 23 February
MARCH
- Famous women from Romania - Friday, 5 March
- Flora from national reserves - Friday, 12 March
- Theodor Aman, 190 years since birth - Wednesday, 24 March
APRIL
- Holy Easter 2021 - Friday, 2 April
- Theodor Pallady, 150 years since birth - Wednesday, 14 April
- Europe 2021. Endangered national species - Thursday, 22 April
MAY
- Mushrooms - Thursday, 6 May
- Astronautics. Anniversaries - Friday, 14 May
- Ladies of the Romanian Voivodes (I) - Friday, 21 May
JUNE
- Palaces of Iasi - Friday, 4 June
- The dog, man's friend - Friday, 11 June
- Tudor Vladimirescu's revolution, 200 years - Tuesday, 22 June
JULY
- Ion D. Berindei, 150 years since birth
- Romanian Postage Stamp Day. Seals of the Romanian rulers (II)
- Summer Olympic Games, Tokyo 2020
- The cities of Romania, Targu Mures
AUGUST
- 500 years since Neagoe Basarab’s passage into eternity
- Desert fauna
- Flamingo
SEPTEMBER
- Turtles
- European Year of Railways
- Danube Delta, 30 years since its inscription on the UNESCO World Heritage List
OCTOMBER
- Peles Castle. Collections (I)
- Exotic pigeons
- Centenary of the birth of King Michael I
NOVEMBER
- 100 years, Cantacuzino Institute
- Happy birthday, Nadia!
- Christmas 2021
- Joint stamp issue Romania - Moldova. Viticulture
DECEMBER
- Horses
- The passions of the kings of Romania (II)
Romfilatelia reserves the right to modify the postage stamp issue program, communicating any changes in a timely manner.