Mop dream meaning is explained below using 5 different sources. Each interpretation is shown with its source.

Interpretation 1 — Stearn Robinson - Tom Corbett

A new or clean mop suggests that a pleasant hobby or community ac- tivity could develop into a profitable venture; but an old or dirty mop is telling you that you could soon be seriously embarrassed by neglected duties if you don’t make more effort.
Source: The Complete Guide to Interpreting Your Dreams Author: Stearn Robinson - Tom Corbett

Interpretation 2 — Ariadne Green

Used to clean floors and mop up water, a mop in your dream may point to a process of cleaning up after an emotional storm in your life such as in an argument or a disappointment. It may also point to tears of sadness that may need sopping up.
Source: Ariadne's Book of Dream Author: Ariadne Green

Interpretation 3 — Tyler Wolfe

Symbolic of the need to clean out an area of your life, Gen. 35:2 NLT
Source: Christian Dream Symbols Author: Tyler Wolfe

Interpretation 4 — Internet Archive - Anonymous

You will need forethought and carefulness to avoid coming trouble.
Source: Mystic Dream Book Author: Internet Archive - Anonymous

Interpretation 5 — Margaret Hamilton

See “clean” and “foundation”
Source: Dream Dictionary Unlimited Author: Margaret Hamilton