2023 Davis Cup Americas Zone Group III

The Americas Zone was the unique zone within Group 3 of the regional Davis Cup competition in 2023. The zone's competition was held in round robin format in Asuncion, Paraguay, from 19 to 24 June 2023.

Participating nations
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Draw
Date: 19–24 June 2023

Location: Club Internacional de Tenis, Asuncion, Paraguay (Clay)

Format: Round-robin basis. One pool of four teams and one pool of five teams and nations will play each team once in their group. Nations finishing first in each group will be promoted to World Group II play-offs in 2024. Nations finishing second in each group will enter a promotion play-off and the winner will be promoted to World Group II play-offs in 2024.

Nations finishing fourth of each group will enter a relegation play-off and the lost team as well as the fifth team in Pool B will be relegated to Americas Zone Group IV in 2024.

Seeding

 * 1 Davis Cup Rankings as of

Pool B
''Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-team ties, head-to-head records; 4. in three-team ties, (a) percentage of sets won (head-to-head records if two teams remain tied), then (b) percentage of games won (head-to-head records if two teams remain tied), then (c) Davis Cup rankings.''

Playoffs

 * ', ' and  were promoted to 2024 Davis Cup World Group II play-offs.
 * ' and ' were relegated to 2024 Davis Cup Americas Zone Group IV.

Final placements

 * ', ' and  were promoted to 2024 Davis Cup World Group II play-offs.
 * ' and ' were relegated to 2024 Davis Cup Americas Zone Group IV.