Police issued two appeals to find missing Lincolnshire men at the weekend.
Officers said Akinbambo Akenroye, 25, who lives in the Lincoln area, has not been seen or heard from since Tuesday.
An appeal has also been issued to trace Kevin Andrew Storr.
The 51-year-old, from the Boston area, is missing.
He is described as of medium build, 5ft 9ins tall, with a beard.
Anyone who has information, or who has seen Kevin or Akinbambo should call 101.