Terson may refer to:

• Peter Terson (born 1932), English playwright
• Terson syndrome, eye condition

• Counties of Lithuania by HDI
• Counties of Lithuania by Human Development Index
• Counties of the Kingdom of Hungary
• Counties of the Kingdom of Hungary (1000-1918)
• Counties of the Kingdom of Hungary (1000–1918)
• Counties of the People's Republic of China
• Counties of the Russian Empire
• Counties of TN
• Counties of Victoria
• Counties of WV
• Counties Rugby Union
• Count Ignazio Alessandro Cozio di Salabue
• Count Igor Cassini Loiewski
• COUNT-IN (1234)
• Counting blocks
• Counting class
• Counting Days (film)
• Counting Descent
• Counting Down (Andrew Bayer song)
• Counting Down (Cut Copy song)
• Counting Down (song)
• Counting Every Blessing
• Counting Five in Sweden
• Counting On
• Counting Point (logistics)