Leach may refer to:
- Placenames
- Leach, Oklahoma in the United States
- Surnames
- Al Leach
- Archie Leach, real name of actor Cary Grant
- Ben Leach, player in Liverpool-based pop group The Farm
- Bernard Leach (1887–1979), British potter
- Bobby Leach
- Britt Leach
- Dewitt C. Leach (1822–1909), U.S. Representative from Michigan
- David Leach (disambiguation)
- Edmund Leach (1910–1989), British anthropologist
- Edward Pemberton Leach
- Francis Leach
- Garry Leach
- George Leach
- George E. Leach
- Henry Leach
- Howard H. Leach
- Jim Leach (born 1942), American politician from Iowa
- James Madison Leach (1815–1891), American politician from North Carolina
- James Leach (soldier) (1892–1957), British soldier and Victoria Cross holder
- Jason Leach
- Jesse Leach
- John Albert Leach (1870–1929), Australian author, educationalist and ornithologist
- John Leach (judge) (1760–1834), English judge and Privy Councillor
- John Leach (Royal Navy officer)
- Karoline Leach
- Mandy Leach (born 1979), Zimbabwean freestyle swimmer
- Martin Leach (disambiguation)
- Martin Leach (executive), former president and COO of Ford Motor Company's European division
- Martin Leach (Australian murderer), Australian convicted murderer and rapist
- Mick Leach, association footballer
- Mike Leach (coach), American football head coach
- Mike Leach (football player), American football long snapper
- Mike Leach (tennis), former doubles tennis specialist
- Neil Leach
- Nicole Leach
- Penelope Leach (1937- ), British child psychologist and parenting author
- Reggie Leach
- Rick Leach
- Robert M. Leach
- Robin Leach
- Rosemary Leach
- Sheryl Leach, one of the creators of Barney & Friends
- Terry Leach (1954- ), former Major League Baseball player
- Tommy Leach (1877–1969), Major League Baseball player
- Vonta Leach (1981- ), American football fullback for the Houston Texans
- William Elford Leach (1790–1836), English zoologist
- Other
- Leach Highway, Western Australia
- Leach orchid
- a phenotype caused by a mutation in the gene encoding glycophorin C
- Low Energy Adaptive Clustering Hierarchy (LEACH), a routing protocol in wireless sensor networks
- "Leach", a song by Cryptopsy off their album The Unspoken King
- River Leach, England
Famous quotes containing the word leach:
“Loving a baby is a circular business, a kind of feedback loop. The more you give the more you get and the more you get the more you feel like giving.”
—Penelope Leach (20th century)
“Grown-up people do very little and say a great deal.... Toddlers say very little and do a great deal.... With a toddler you cannot explain, you have to show. You cannot send, you have to take. You cannot control with words, you have to use your body.”
—Penelope Leach (20th century)
“You know that your toddler needed love and approval but he often seemed not to care whether he got it or not and never seemed to know how to earn it. Your pre-school child is positively asking you to tell him what does and does not earn approval, so he is ready to learn any social refinement of being human which you will teach him....He knows now that he wants your love and he has learned how to ask for it.”
—Penelope Leach (20th century)