Vexillology - Study of Flags
The word comes from the Latin word vexillum ("flag") and the Greek suffix -logia ("study").
Vexillology is the "scientific study of the history, symbolism and usage of flags.
Vexillography is the art of designing flags; a person who designs flags is a vexillographer.
A person who studies flags is a vexillologist.
A person who simply likes, admires, or enjoys flags is a vexillophile.
The flag of the North American Vexillological Association. The colors are those found in the flags of the United States of America and Canada. The inverted white chevron forms a “V” for “vexillology.”