Bella Emberg (born Sybil Dyke 16 September 1937 in Brighton, Sussex, England, UK) is a British actress who appeared on The Benny Hill Show and The Russ Abbot Show, where she played Blunderwoman. She has also featured in Softly, Softly and Z Cars, as well as having small roles in Grange Hill as a cleaner.

Her professional debut was in weekly repertory in Ryde, Isle of Wight — the summer season 1962.

She made a guest appearance in The Basil Brush Show, and also featured in Doctor Who, a total of three times. In the 1970s, she had uncredited roles in the Third Doctor serials Doctor Who and the Silurians and The Time Warrior. In 2006, she was seen in the Tenth Doctor episode "Love & Monsters", where she played Mrs Croot. A second appearance as Mrs Croot was recorded for "The Runaway Bride" but cut before transmission. She played the part of Aunt Barbara in the Second series of the CBBC programme "Bear Behaving Badly" in 2008, the third series in 2009, and the fourth in 2010.