A couple of these contests deserve a special mention. If you have written a mystery novel set in the Southwest, St. Martin's Press is offering publication with a $10,000 advance. St. Martin's is willing to consider all entries for publication, so this contest amounts to a call for submissions.
Another contest that operates in similar fashion is the Drue Heinz Literature Prize which offers a $15,000 advance and publication by the University of Pittsburgh Press to a writer who has published a minimum of 3 short stories (or novellas). If you qualify, this is a great opportunity.
IUPUI Poetry Contest. Restrictions: High school age students. Genre: Poetry. Prize: $300. 2nd Prize $200, 3rd Prize $100, Deadline: June 1, 2015.
Winter Tangerine Awards. Restrictions: Submissions will only be accepted from writers who have not yet published a chapbook, novel, or collection of any type. Genres: Poetry, Short Fiction & Creative Nonfiction. Prize: $250 apiece for poetry and prose (fiction and essay compete together), plus trophy, used books, box of cookies, and one-year WTR subscription. Deadline: June 1, 2015.
Singapore Poetry Contest. Genre: Poetry. The poem may be about any aspect of Singapore. Prize: 1st Prize $100. 2nd Prize $50, 3rd Prize $20; all winners will be published online. Deadline: June 1, 2015.
Tony Hillerman Prize. Sponsored by St. Martin's Press. Genre: Debut mystery novel set in Southwest. Prize: $10,000 advance against royalties and publication, Deadline: June 1, 2015.
American-Scandinavian Foundation Translation Prizes. Genre: English translations of poetry, fiction, drama, or literary prose originally written in Danish, Finnish, Icelandic, Norwegian, or Swedish by a Scandinavian author born after 1800. Prize: $2,500. Deadline: June 1, 2015.
The Dave Greber Freelance Writers Awards. Restrictions: Open to Canadian freelance writers who have a contract for publication of a non-fiction magazine article or book. Genre: Projects that delve into issues associated with social justice, whether in the Canadian context or globally. Prize: $5,000 for book. $2,000 for article. Deadline: June 12, 2015.
DSC Prize for South Asian Literature. Genre: Published novel or novella. South Asian culture, politics, history, or people. South Asia is defined as India, Pakistan, Sri Lanka, Bangladesh, Nepal, Bhutan, Maldives, Burma, and Afghanistan. Entries must have been first published in English between May 1 of the previous year and April 30 of the deadline year. Must be submitted by publisher. A book may be submitted only once for this prize and cannot be resubmitted in a subsequent edition. No e-books or self-published books. Prize: $50,000. Deadline: June 15, 2015.
Bard Fiction Prize. Genre: Published fiction book. Prize: $30,000 and a one-semester appointment as writer-in-residence at Bard College. Deadline: June 15, 2015.
Goi Peace Foundation International Essay Contest for Young People. Restrictions: Open to people 25 years of age or less. Genre: Essay (max 700 words). What does it mean to build peace in our hearts and minds? How does it relate to the world around us? Please illustrate your ideas with your personal experience. Prize: 1st US$840, 2nd US$420. Deadline: June 15, 2015.
Fred Otto Prize for Oz Fiction/Warren Hollister Prize for Oz Nonfiction. Genre: Short Fiction, Art & Creative Nonfiction. All work must be related to the world of Oz. Prize: $100 in each genre. 2nd Prize $50 in each genre. Deadline: June 15, 2015.
Hospital Drive Poetry and Prose Contest. Submissions must explore the theme of "Identity" within the context of health care. Genres: Poetry and prose. "We’re looking for well-crafted poems, stories, and essays that will change the way we think about who we are. Submissions must be rich with detail and a distinctive voice; they should combine strong images and/or a compelling narrative with an informative or reflective element; and they should reach beyond the personal to touch some deeper truth." Prize: $500 for each genre (poetry and prose). Deadline: June 15, 2015
Norton Writer's Prize. Sponsored by W.W. Norton & Company. "The Norton Writer’s Prize will be awarded annually for an outstanding essay written by an undergraduate. Literacy narratives, literary and other textual analyses, reports, profiles, evaluations, arguments, memoirs, proposals, mixed-genre pieces, and more: any excellent writing done for an undergraduate writing class will be considered." Genres: Creative Nonfiction, Scholarly Essay. Prize: $1,500. Two runner-up prizes of $1,000. Deadline: June 15, 2015.
Barnes & Noble Discover Great New Writers Program. Restrictions: Authors making literary debut. Self-published works not allowed. Genres: Published or scheduled to be published fiction and literary nonfiction. Prize: $10,000 in each genre and in-store marketing/merchandising from Barnes & Noble. 2nd Place $5,000 in each genre, 3rd Place $2,500 in each genre. Deadline: June 18, 2015.
Utah Division of Arts and Museums Original Writing Competition. Restrictions: Utah writers. Genres: Poetry and prose. Prize: $1,000 top prizes for book-length manuscripts of novels, creative nonfiction & history, collection of poetry or short stories, and juvenile book; $300 top prizes for individual poems, short stories, and personal essays. 2nd Prize $500 for the book-length categories, $150 for poetry. Deadline: June 26, 2015.
Costa Book Awards. Restrictions: Prize is for books first published in the UK or Ireland by authors who have lived in the UK or Ireland for at least six months of each of the preceding three years. Books must be published between November 1 of the previous year and October 31 of the current year. Self-published works not allowed. Genre: Five categories - First Novel, Novel, Biography, Poetry and Children's Book. Prize: £30,000.00 across all genres. 5,000 pounds in each category (poetry, novel, first novel, biography, children's book). Deadline: June 26, 2015.
SPS Studios Poetry Card Contest. Genre: Poetry. Prize: 1st prize $300. 2nd Prize $150, 3rd Prize $50; winners published on website. Deadline: June 30, 2015.
Mary Ballard Poetry Chapbook Prize. Genre: One long poem or a collection of poems. Prize: $500, 25 printed copies of chapbook, and publishing contract with sponsor. Deadline: June 30, 2015.
L. Ron Hubbard's Writers of the Future Contest. Restrictions: Contest is open only to those who have not professionally published a novel or short novel, or more than one novelette, or more than three short stories, in any medium. Professional publication is deemed to be payment and at least 5,000 copies (or 5,000 hits for online publication). Genre: Fantasy, Sci-Fi or Horror. 17,000 words max. Prize: $1,000 1st Prize awarded each quarter; one of those winners also receives the $5,000 annual "Golden Pen Award" grand prize. 2nd Prize $750, 3rd Prize $500. Deadline: June 30, 2015.
Eric Hoffer Award for Short Prose. Genre: Short Fiction & Creative Nonfiction. Works of short prose must be less than 10,000 words, previously unpublished, or published with a circulation of less than 500. Prize: $250.00. Deadline: June 30, 2015. Authors can nominate their own work.
Ekphrasis Prize for Poetry. Genre: 3 - poems about a work of art. Previously published poems are eligible. Prize: $500 and publication. Deadline: June 30, 2015. Submit via regular submissions page.
Drue Heinz Literature Prize. Restrictions: The award is open to writers who have published a book-length collection of fiction or a minimum of three short stories or novellas in commercial magazines or literary journals of national distribution. Online and self-publication does not count toward this requirement. Genre: A manuscript of short stories; two or more novellas (a novella may comprise a maximum of 130 double-spaced typed pages); or a combination of one or more novellas and short stories. Novellas are only accepted as part of a larger collection. Prize: $15,000 and publication by the University of Pittsburgh Press under its standard contract. Deadline: June 30, 2015.
ABA Journal/Ross Writing Contest for Legal Short Fiction. Sponsored by the American Bar Association. Restrictions: Entrants must be U.S. citizens or legal permanent residents. Genre: Original works of short fiction that illuminate the role of the law and/or lawyers in modern society. 5000 words max. Prize: $3,000 and publication in ABA Journal. Deadline: June 30, 2015.