A lamb in a dream often symbolizes your innocent, childlike side. If you dream of a lamb, your dream can be a message that you need to nurture and comfort this part of yourself.
You may dream of a lamb when you have taken on a lot of adult responsibility or when you have experienced a trauma.
Your dream is telling you that a part of you does not understand why you are taking on this burden or why you are suffering.
A dream of a lamb can mean that you feel that you have been accused of doing something wrong but are innocent, or that you feel that someone else has been accused wrongly.
Dreaming that you are slaughtering a lamb can mean that you have been naive, and that if you are to be successful in life, you need to learn from your experiences.
If you are Christian, a lamb in a dream may be a symbol of Christ.