Affleck looks a strong bet for best actor (drama), while Lonergan could well carry off best director or screenwriter, or both.
The Golden Globes awards ceremony will take place on 8 January, in Beverly Hills, California.
Traditionally perceived as a barometer of Academy Awards glory, this year’s edition – because the Globes split their categories into drama and musical/comedy – looks likely to reward both Oscars frontrunners: coming-of-age tale Moonlight and tune-packed romance La La Land.
Awards season gathers steam on Sunday as Hollywood’s second most significant set of film prizes is handed out.