As of January 2019:

TOP OLYMPIC CANDIDATES 

Athletics
Sandra Perković  (discus throw)
Sara Kolak (javelin throw)
Blanka Vlašić  (high jump)

Boxing
Filip Hrgović  (+91)

Sailing
Šime Fantela (470)
Igor Marenić (470)
Tonči Stipanović (Laser)

Shooting
Josip Glasnović (trap) 

Rowing
Damir Martin (single sculls)
Martin Sinković (double sculls)
Valent Sinković (double sculls)

Waterpolo
Men's national team (15 athletes)

POTENTIAL CANDIDATES

Athletics
Stipe Žunić (shot put)

Boxing
Toni Filipi (91 kg)

Gymnastics
Tin Srbić (horizontal bar)

Wrestling
Danijel Janečić (greco-roman 67 kg)

Judo
Barbara Matić (-70 kg)

Karate
Ivan Kvesić (-84 kg)

Shooting
Snježana Pejčić (air rifle 10 m) 
Giovanni Cernogoraz (trap) 
Petar Gorša (air rifle 10 m)

Taekwondo
Toni Kanaet (-74kg)
Lovre Brečić (-58kg)
Kristina Tomić (-49kg)
Nikita Glasnović (-57kg)
Matea Jelić (-67 kg)

Tenis
Marin Čilić 
Nikola Mektić
Franko Škugor

PREOLYMPIC CANDIDATES 

Athletics
Andrea Ivančević (100 m hurdles)
Ivan Horvat (pole vault)
Bojana Bjeljac (marathon)
Filip Mihaljević (kugla)
Nikolina Šustić (marathon)
Matea Parlov (marathon)

Cycling

Viktor Potočki (road)
Josip Rumac (road)
Marin Ranteš (BMX free style)

Boxing
Josip Bepo Filipi (-91 kg)
Damir Plantić (-81 kg)

Gymnastics
Robert Seligman (pommel horse)

Wrestling
Ivan Lizatović (greco-roman 59 kg)
Danijel Janečić (greco-roman 66kg)
Božo Starčević (greco-roman 75 kg)

Sailing
Filip Jurišić (Laser)
Mihovil Fantela (Klasa 49er)
Milan Vujasinović (Finn)
Josip Olujić (Finn)

Judo
Dominik Družeta (- 81 kg)
Ivana Šutalo (+78 kg) 
Ivana Maranić (+ 78 kg)

Canoe/kayak
Matija Marinić (C-1 slalom)

Karate
Anđelo Kvesić (+84 kg)
Ana Lenard (-61 kg)
Alessandra Hasani (-55 kg)
Ana Marija Bujas Čelan (-68 kg)
Jelena Pehar ( 55 kg)

Swimming
Bruno Blašković (50 m freestyle)
Marin Mogić (1500 m freestyle)

Table Tennis
Andrej Gaćina
Tomislav Pucar

Shooting
Marta Zeljković (50m rifle three positions)
Marko Germin (trap)

Archery
Matija Mihalić

Taekwondo
Vedran Golec (+80 kg)
Marija Štetić (-62kg)
Iva Radoš (-73 kg)
Deni Andrun Razić (-68kg)
Bruna Vuletić (-57 kg)
 

Tennis
Petra Martić

Basketball
Men's National Team (14 players)

Handball
Men's National Team (18 players)