Daniel Vallejo

Daniel Vallejo
Vallejo in 2023
Full nameAdolfo Daniel Vallejo
Country (sports) Paraguay
Born (2004-04-28) 28 April 2004
Asunción, Paraguay
PlaysRight-handed (two-handed backhand)
Prize moneyUS $ 163,381
Singles
Career record6–4 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles0
Highest rankingNo. 187 (17 March 2025)
Current rankingNo. 240 (16 June 2025)
Grand Slam singles results
Australian OpenQ2 (2025)
Doubles
Career record0–3 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles0
Highest rankingNo. 435 (21 April 2025)
Current rankingNo. 561 (16 June 2025)
Team competitions
Davis Cup2–1
Medal record
Junior Pan American Games
2021 Cali-ValleBoys' doubles
Last updated on: 16 June 2025.

Adolfo Daniel Vallejo (born 28 April 2004) is a Paraguayan tennis player. Vallejo has a career-high ATP singles ranking of world No. 187, achieved on 17 March 2025 and a doubles ranking of No. 435, achieved on 21 April 2025. He is currently the No. 1 player from Paraguay.

On the ITF Junior Circuit, Vallejo had a combined junior ranking of No. 1.