The 2019 AFC Asian Cup qualification was the qualification process organized by the Asian Football Confederation (AFC) to determine the participating teams for the 2019 AFC Asian Cup, the 17th edition of the international men's football championship of Asia. For the first time, the Asian Cup final tournament was contested by 24 teams, having been expanded from the 16-team format that was used from 2004 to 2015.

The qualification process involved four rounds, where the first two doubled as the 2018 FIFA World Cup qualification for Asian teams.

The qualification structure was as follows:

The play-off round represented a change from the initially announced qualification format – which saw the remaining fourth-placed teams and the four best group fifth-placed teams also advance to the third round.

46 FIFA-affiliated nations from the AFC entered qualification. In order to determine which nations would compete in the first round and which nations would receive a bye through to the second round, the FIFA World Rankings of January 2015 were used (shown in parentheses).

Due to the joint format of the FIFA World Cup qualifiers and AFC Asian Cup qualifiers, the hosts of the 2019 AFC Asian Cup, the United Arab Emirates also entered the second round of AFC Asian Cup qualifiers despite having qualified automatically.

Northern Mariana Islands, which is not a FIFA member, were not eligible to enter.

The schedule of the qualification competition was as follows.