2018 FIFA World Cup qualification – CONCACAF Third Round
The third round of CONCACAF matches for 2018 FIFA World Cup qualification was played from 4 to 8 September 2015.
A total of 12 teams (teams ranked 7–8 in the CONCACAF entrant list and 10 second round winners) played home-and-away over two legs. The six winners advanced to the fourth round.
The draw for the third round was held as part of the 2018 FIFA World Cup Preliminary Draw on 25 July 2015, starting 18:00 MSK (UTC+3), at the Konstantinovsky Palace in Strelna, Saint Petersburg, Russia.
The seeding was based on the FIFA World Rankings of August 2014 (shown in parentheses). The 12 teams were seeded into two pots:
Each tie contained a team from Pot 3 and a team from Pot 4, with the order of legs decided by draw.
Note: Bolded teams qualified for the fourth round.
Note: Guatemala were seeded into Pot 3 as they have more FIFA ranking points (203.24) than the Saint Vincent and the Grenadines (202.53). In the FIFA World Rankings, teams share the same ranking if their ranking points round to the same whole number.
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