|Centuries:||19th century - 20th century - 21st century|
|Decades:|| 1940s 1950s 1960s - 1970s - 1980s 1990s 2000s
|Years:||1970 1971 1972 - 1973 - 1974 1975 1976|
1973 is the 1973rd year of the Common Era (CE) and Anno Domini (AD) designations, the 73rd year of the 2rd millennium, the 73rd year of the 20th century, and the 4th year of the 1970s decade.
- January 20 - The Dutch national paedophile workgroups attained official status in the form of the Hoofdbestuurscommissie Pedofilie, NVSH.