| Date: | 3–9 June |
| Edition: | 4th |
| Draw: | 48S / 16D |
| Surface: | Hard |
| Location: | Almaty, Kazakhstan |
| Champs: |  Lorenzo Giustino |
| Before Name: | Almaty Challenger 2 |
| After Year: | 2021 |
The 2019 Almaty Challenger was a professional tennis tournament played on hard courts. It was the fourth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Almaty, Kazakhstan between 3 and 9 June 2019.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Tunisia | Malek Jaziri | 92 | 1 | |
 Uzbekistan | Denis Istomin | 97 | 2 | |
 Serbia | Nikola Milojević | 153 | 3 | |
 Slovakia | Andrej Martin | 154 | 4 | |
| Italy | Lorenzo Giustino | 159 | 5 | |
| Yannick Hanfmann | 180 | 6 | ||
 Australia | Marc Polmans | 185 | 7 | |
 Kazakhstan | Aleksandr Nedovyesov | 189 | 8 | |
| Serbia | Peđa Krstin | 206 | 9 | |
 Colombia | Santiago Giraldo | 211 | 10 | |
 Russian Federation | Evgeny Karlovskiy | 214 | 11 | |
| Australia | Akira Santillan | 228 | 12 | |
 Argentina | Federico Coria | 234 | 13 | |
 Canada | Steven Diez | 240 | 14 | |
| Gonçalo Oliveira | 254 | 15 | ||
 Spain | Daniel Gimeno Traver | 258 | 16 |
The following players received entry into the singles main draw as wildcards:
The following player received entry into the singles main draw as an alternate:
The following players received entry into the singles main draw using their ITF World Tennis Rankings:
The following players received entry from the qualifying draw:
See main article: 2019 Almaty Challenger – Singles.
Lorenzo Giustino def. Federico Coria 6–4, 6–4.See main article: 2019 Almaty Challenger – Doubles.
