2023 Davis Cup Asia/Oceania Zone Group III

The Asia/Oceania 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 Colombo, Sri Lanka, from 26 to 29 July 2023.

Participating nations
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Draw
Date: 26–29 July 2023

Location: Sri Lanka Tennis Association Courts, Colombo, Sri Lanka (Clay)

Format: Round-robin basis. Two pools of four 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 in the bottom two of each group will enter relegation play-offs, with the third of Group A facing the fourth of Group B, and the third of Group B facing the fourth of Group A and the two lost teams will be relegated to Asia/Oceania 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 Asia/Oceania Zone Group IV.

Final placements

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