|Full Name||Martha Clark|
|First Episode||Emmett's Brother-in-Law|
|Last Episode||Emmett's Anniversary|
|Spin-off Appearances||Gomer Pyle U.S.M.C.|
|Family||Emmett Clark (husband), Ben Beecham (brother)|
|Portrayed by||Mary Lansing|
Martha Clark is the wife of handyman Emmett Clark. She always wants the best for Emmett, even pushing him to become an insurance man . She is portrayed by actress Mary Lansing in three episodes of The Andy Griffith Show and nine episodes of Mayberry R.F.D.