1298 (MCCXCVIII) was a common year starting on Wednesday of the Julian calendar, the 1298th year of the Common Era (CE) and Anno Domini (AD) designations, the 298th year of the 2nd millennium, the 98th year of the 13th century, and the 9th year of the 1290s decade. As of the start of 1298, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

• July 2 – The Battle of Göllheim is fought between Albert I of Habsburg and Adolf of Nassau-Weilburg.
• 22 July – Battle of Falkirk: King Edward I of England defeats a Scottish army led by William Wallace
• End of the reign of Emperor Fushimi, emperor of Japan
• Emperor Go-Fushimi ascends to the throne of Japan
• While in prison in Genoa, Marco Polo dictates his Travels to a local writer
• A fire causes severe damage to the Palace of Westminster.
• The Chinese governmental minister Wang Zhen (official) invents wooden movable type printing, while the earlier Bi Sheng invented ceramic movable type in the 11th century

• December 12 – Albert II of Austria (died 1358)

• July 2 – Adolf of Nassau-Weilburg, King of the Romans
• July 10 – King Ladislaus IV of Hungary (b. 1262)
• July 22 – Sir John de Graham, Scottish soldier at the Battle of Falkirk
• July 13 – Jacobus de Voragine, Italian chronicler and archbishop of Genoa
• September 11 – Philip of Artois, French soldier (born 1269)
• Smilets of Bulgaria (born 1292)