Marilyn Gay Peddell is an international lawn and indoor bowls competitor for Australia, from Bribie Island.

[1] In 1996, Peddell won the gold medal in the fours at the 1996 World Outdoor Bowls Championship in Adelaide.

Two years later she won a silver medal at the 1998 Commonwealth Games in the fours.

[2] In addition she finished runner-up to Betty Brown in the 2001 World Indoor Bowls Championship at Great Yarmouth.

She lost the last game of the Asia Pacific championship which cost her the gold medal, and she was afterwards excluded from the Australian team in 2002.