Fitch may refer to:

Family name

Fitch (surname) Fitch is a family name of Old French origin. Like most ancient surnames, there are a number of possible origins to the name. It may originate from the Old French word ''fissell'' meaning "an iron-pointed implement". It may also derive from Will ...

, family name of English origin

Places

In Antarctica: * Fitch Glacier In Australia: * Mount Fitch, Northern Territory, former uranium mining site In the United States: * Fitch Creek, Pennsylvania *

Fitch, North Carolina Fitch is an unincorporated community in Caswell County, North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is borde ...

, unincorporated community * Fitch H. Beach Airport, Charlotte, Michigan *

Fitch Senior High School Robert E. Fitch High School is a public high school located in Groton, Connecticut. History The original Fitch High School (now the former location of Fitch Middle School) was built in 1928 next to the Town Hall on Poquonock Road, and was funded ...

, Groton, Connecticut *

Mount Fitch (Massachusetts) Mount Fitch is the third-highest peakList of mountains in Massachusetts in the Commonwealth of Massachusetts at . It is located on the ridge between Mount Greylock at 3,491 feet (1,064 m) to its south and Mount Williams at 2,956 feet (901 m) to i ...

, third-highest summit in Massachusetts *

YMCA Camp Fitch on Lake Erie YMCA Camp Fitch is a year-round camp in North Springfield, Pennsylvania, owned and operated by the YMCA of Youngstown, Ohio. Prior to 1914, all summer camps operated by the YMCA of Youngstown were experimental and temporary in nature. Since its ...

, in Springfield, Pennsylvania; named after John H. Fitch

Businesses

Abercrombie & Fitch Abercrombie & Fitch (A&F) is an American lifestyle retailer that focuses on casual wear. Its headquarters are in New Albany, Ohio. The company operates three other offshoot brands: Abercrombie Kids, Hollister Co., and Gilly Hicks. As of Februar ...

, clothiers * Fitch, Even, Tabin & Flannery, Chicago's oldest law firm *

Fitch Ratings Fitch Ratings Inc. is an American credit rating agency and is one of the " Big Three credit rating agencies", the other two being Moody's and Standard & Poor's. It is one of the three nationally recognized statistical rating organizations (NRSRO) ...

Inc., international credit rating agency * Fitch, a label launched by

Madonna (studio) is a Japanese adult video (AV) studio which specializes in the '' jukujo'' niche of Japanese pornography. By 2007, Madonna also launched the label Fitch, which has a focus on the ''bakunyū'' niche. Company information Madonna is an AV studio lo ...

in 2007; with a special focus on the ''bakunyū'' niche

Ships

* USS ''Fitch'' (DD-462), US Navy destroyer * USS ''Aubrey Fitch'' (FFG-34), U.S. naval ship

Heraldry

* Fitch (or cross fitchy), a

cross A cross is a geometrical figure consisting of two intersecting lines or bars, usually perpendicular to each other. The lines usually run vertically and horizontally. A cross of oblique lines, in the shape of the Latin letter X, is termed a sa ...

in heraldry where the lower part is shaped like a sword blade

Mathematics, logic and technology

Fitch-style calculus Fitch notation, also known as Fitch diagrams (named after Frederic Fitch), is a notational system for constructing formal proofs used in sentential logics and predicate logics. Fitch-style proofs arrange the sequence of sentences that make up the ...

, method for constructing formal mathematical proofs *

Fitch's paradox of knowability Fitch's paradox of knowability is one of the fundamental puzzles of epistemic logic. It provides a challenge to the ''knowability thesis'', which states that every truth is, in principle, knowable. The paradox is that this assumption implies the '' ...

, logical paradox which asserts that the existence of an unknown truth is unknowable *

Fitch Barrier An impact attenuator, also known as a crash cushion, crash attenuator, or cowboy cushion, is a device intended to reduce the damage to structures, vehicles, and motorists resulting from a motor vehicle collision. Impact attenuators are designed to ...

, sand-filled plastic barrier used to cushion impacts on highways *

Fitch-Margoliash method Computational phylogenetics is the application of computational algorithms, methods, and programs to phylogenetic

, weighted least squares method for clustering

Animals and plants

* Fitch, the European polecat (''Mustela putorius''), a ferret-like predatory mammal * Fitch, a name for the spice kalonji, the seed of ''

Nigella sativa ''Nigella sativa'' (black caraway, also known as black cumin, nigella, kalonji or siyahdaneh) is an annual flowering plant in the family Ranunculaceae, native to eastern Europe (Bulgaria and Romania) and Western Asia (Cyprus, Turkey, Iran and Ir ...

'' (used in the King James's Version of the Bible)