The 2020 World Junior Figure Skating Championships were held in Tallinn, Estonia on March 2–8, 2020.

Skaters who reach the age of 13 before July 1, 2019, but have not turned 19 (singles and females of the other two disciplines) or 21 (male pair skaters and ice dancers) are eligible to compete at the junior level.

[1] Based on the results of the 2019 World Junior Championships, each ISU member nation can field one to three entries per discipline.

The International Skating Union published a complete of entries on February 12, 2020.

Medals awarded to the skaters who achieve the highest overall placements in each discipline: Small medals awarded to the skaters who achieve the highest short program or rhythm dance placements in each discipline: Medals awarded to the skaters who achieve the highest free skating or free dance placements in each discipline: Table of medals for overall placement: The following new ISU best scores were set during this competition: