Ernests is a Latvian language, Latvian masculine given name. It is a cognate of the masculine given name Ernest and may refer to:
*Ernests Birznieks-Upītis (1871-1960), Latvian writer, translator and librarian
*Ernests Blanks (1894–1972), Latvian publicist, independence advocate
*Ernests Brastiņš (1892–1942), atvian artist, amateur historian, folklorist and archaeologist
*Ernesto Foldats, Ernests Foldāts (1925–2003), Latvian-born Venezuelan botanist and orchidologist
*Ernests Gulbis (born 1988), Latvian professional tennis player
*Ernests Gūtmanis (1901-????), Latvian boxer and Olympic competitor
*Ernests Kalve (born 1987), Latvian basketball forward
*Ernests Mālers (1903-1982), Latvian cyclist and Olympic competitor
*Ernests Štālbergs (1883–1958), Latvian architect
*Ernests Vīgners (1850-1933), Latvian composer and conductor
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Masculine given names
Latvian masculine given names
