This is a list of notable events in country music that took place in the year 1973.
July — The Dean Martin Show becomes known as Dean Martin Presents Music Country for the longtime variety show's summer broadcasts. Country music becomes a staple of Martin's show for the 1973-1974 season — its last on the air, as it turns out.
July 14 — Billboard increases the number of positions for its Hot Country Singles chart to 100 (up from 75), which it would keep until January 1990. The expansion comes at a time when the number of No. 1 songs in a given year continues to increase; for the first time in history, there are at least 35 No. 1 songs in one year.
September — Jimmy Dean's third country music TV series, The Jimmy Dean Show, premieres in syndication for what will be a two-season run.