1977 Claxton Shield

The 1977 Claxton Shield was the 38th annual Claxton Shield, an Australian national baseball tournament. It was held in Perth from 14 to 23 January, the eighth time Perth had hosted the Shield. Hosts Western Australia won the Shield for the third time. The other participating teams were New South Wales, Queensland, South Australia and Victoria.

Format
The five teams played a double round-robin schedule, meeting each other team twice, with two competition points on offer in each game. The points were awarded as follows: After each team has played their eight games, the team with the most points was declared the champions. In the event of a tie between teams in terms of points, the tiebreaker used would have been the net runs for and against, with the team achieving the greater value placing in the higher position.
 * Win – two points
 * Tie – one point
 * Loss – no points