2018 Fed Cup Asia/Oceania Zone

The Asia/Oceania Zone was one of three zones of regional competition in the 2018 Fed Cup.

Group I

 * Venue: R.K. Khanna Tennis Complex, New Delhi, India (hard)
 * Date: 7–10 February

The eight teams were divided into two pools of four teams. The two pool winners took part in a play-off to determine the nation advancing to the World Group II play-offs. The four nations finishing last and second last in their pools took part in relegation play-offs, with the two losing nations being relegated to Group II for 2019.

Seeding

 * 1 Fed Cup Rankings as of 13 November 2017

Final placements

 *  was promoted to the 2018 Fed Cup World Group II Play-offs.
 * ' and ' were relegated to Asia/Oceania Zone Group II in 2019.

Group II

 * Venue: Bahrain Polytechnic, Isa Town, Bahrain (hard)
 * Date: 6–10 February

The fourteen teams were divided into two pools of four teams and two pools of three teams. The four pool winners took part in a play-off to determine the nations advancing to the World Group II play-offs.

Seeding

 * 1 Fed Cup Rankings as of 13 November 2017

Final placements

 * ' and ' were promoted to Asia/Oceania Zone Group I in 2019.