The 1918–19 Toronto Arenas season was the second season of the Toronto franchise of the National Hockey League. After being operated on a temporary basis in the previous year, the team became a formal entity, known as the 'Toronto Arena Hockey Club.' The club played 18 games and suspended operations.
When Toronto won the Cup in 1917–18, a monkey wrench had been thrown into the other owners' scheme to get rid of Eddie Livingstone. His team was estimated now to be worth $20,000, and Livingstone demanded that. The Arena Gardens offered $7,000, but Livingstone sued the Arena and Charlie Querrie for the $20,000. A league meeting of the old NHA proved futile as heated arguments broke out between Livingstone and the other owners. The old NHA was extinguished. However, George Kennedy gave some ground, saying that if Livingstone dropped his lawsuits, he might be allowed in the league. In the meantime, Hubert Vearncombe, treasurer of the Toronto Arena Company formed the separate Toronto Arena HC. This separated the hockey club from the Livingstone lawsuits, though the franchise still used Livingstone's players without permission.
It was announced on February 18, that Ken Randall and Harry Meeking had signed with Glace Bay of the Maritime League with the Arenas' permission. The game that night was attended by only 1,000 fans watching a 4–3 overtime loss to Ottawa. After a follow-up game in Ottawa on February 20, lost 9–3, manager Querrie announced that the club sought to withdraw from the NHL season and this was agreed to by Ottawa and Montreal. The NHL season ended at 18 games, with Montreal and Ottawa to play off for the championship.