The honest answer is that it depends — on breeding, on the socialisation he received as a puppy, and most of all on the individual dog in front of you. Plenty of Rottweilers live peaceably with other dogs at home, play appropriately at the park, and ignore dogs who ignore them. Others, more often males and more often around dogs of the same sex, prefer their own space and can be assertive if challenged. Unlike a Pug, a Rottweiler also brings the size and strength for a disagreement to become serious quickly, so this question deserves a careful, case-by-case answer rather than a blanket yes.
What shapes a Rottweiler's behaviour with other dogs
Early experience is the strongest predictor. A Rottweiler puppy who met many well-mannered adult dogs, learned to break off play, and discovered that other dogs are background rather than threats usually grows into an adult who reads canine signals accurately and de-escalates. A dog raised in isolation, or one whose only early contacts were frantic, overwhelming free-for-alls, may be reactive on lead or defensive off it. Genetics and temperament play their part too, which is why meeting a puppy's parents, or asking detailed questions about an adult's history, tells you more than the breed standard does.
Living with another dog at home
Most Rottweilers accept a housemate dog well when introductions are staged: walks together on neutral ground first, parallel time in the garden, then shared indoor space with food, chews, and favoured resting spots managed separately until the relationship is proven. Opposite-sex pairs are often the smoothest combination, and a calm, older resident can be a genuine asset in settling a young Rottweiler. Watch the early weeks for guarding of food bowls, toys, doorways, or you yourself, because those are the flashpoints to manage with separation and training rather than hope they fade. Feed apart, pick up high-value items, and keep initial greetings outdoors where space defuses tension.
Other dogs out in the world
Away from home, aim for neutrality rather than friendship. A Rottweiler does not need to greet every dog at the park; he needs to walk past them without fixating, pulling, or escalating, and to come away when you call. Build that with distance, rewards for attention on you, and lead skills practised where success is easy before you test them in a busy dog area. If your dog stiffens, stares hard, or stops responding to you around certain dogs, increase distance and work with a qualified behaviour professional rather than forcing closer contact; with a dog this powerful, early help is a safety decision, not an admission of failure.
When the Rottweiler is the newcomer
Bringing an adult Rottweiler into a home with resident dogs is where information matters most: has he lived with dogs, shared space with both sexes, shown guarding, or been involved in fights? A rescue or previous owner who can answer those questions honestly is giving you the material to plan safe introductions. KinsLe's Transferrable Profiles exist for this moment, moving a rehomed Rottweiler's social history, routines, and records to his new household intact, so the first walks and first evenings together are arranged around what is already known about him.