The right gifts for your companions

Alistair is a guy who likes items that show him bits of a life that his Chantry forbids. Also, he has some unresolved emotional problems, like not having anything left from his mentor(Duncan) or from his mother.

Alistair's Mother's Amulet
Located: Redcliffe Castle
(initiates a dialogue)

Black Runestone
Located: Aeducan Thaig

Duncan's Shield
Located: Grey Warden Vault
(becomes an usable shield after the conversation)

Joining Chalice
Located: Ostagar
Requires: Return to Ostagar'

Demon Statuette
Located: East Brecilian Forest

Small Carved Statuette
Located: Lothering

Stone Dragon Statuette
Located: Redcliffe Castle

Stone Warrior Statuette
Located: Mountainside Caverns

White Runestone
Located: Circle Tower

Morrigan is a witch who lived most of her life in the wilds. She is attracted to shiny things(jewels) and
she wants to know anything her mother didn't want her to.

Black Grimoire
Location: Senior Mage Quarters
(starts a personal quest)
Flemeth's Grimoire
Location: Flemeth's Hut
(ends the personal quest)
Gold Amulet
Location: Orzammar Commons

Golden Demon Pendant
Located: The Gauntlet

Golden Mirror
Located: Orzammar Commons
(initiates a cutscene)
Golden Rope Necklace
Location: Lothering, Party Camp

Locket
Located: Haven Village Store

Silver Brooch
Located: Dalish Camp

Silver Chain
Located: Senior Mage Quarters

Silver Medallion
Located: Ruins Upper Level

Leliana likes things that symbolize purity; chantry items and flowers the things that make her day. However, she had a life before joining the cloister, so shoes and a pet will also make her melt.

Andraste's Grace
Located: Redcliffe Village, West Brecilian Forest, Elven Alienage
(initiates a cutscene)
Blue Satin Shoes
Located: Old Tegrin

Bronze Symbol of Andraste
Located: Lothering chantry

Chantry Amulet
Located: Circle Tower

Etched Silver Symbol
Located: Ortan Thaig

Golden Symbol of Andraste
Located: Orzammar Commons

Cute Nug
Located: Dust Town, Idle Dwarf
(initiates a cutscene)
Silver Sword of Mercy
Located: Old Tegrin

Steel Symbol of Andraste
Located: Denerim Market District

Sten is an enourmous guy who is really good at killing and doesn't like to talk. Like every serious killer, he has a soft spot for art, so painting and totems are the keys to make him talk. Also retrieving his lost sword will make him respect you.

Painting of the Rebel Queen
Located: Old Tegrin

Portrait of a Goosegirl
Located: Frostback Mountain Pass

Silver-Framed Still Life
Located: Redcliffe Castle

Asala(Sten's Sword)
Found in Dwyn's chest at his home in Redcliffe Village.
becomes usable(restricted to Sten, also one of the best greatswords in the game)

Totem
Located: Caridin's Cross (Origins)
Palace District (Darkspawn Chronicles)

Water-Stained Portrait
Located: Senior Mage Quarters

Zevran has a fetish for leather and likes bars of gold and silver. You can surprise him by giving him something to remind him of his mother he knows almost nothing.

Antivan Leather Boots
Located: Haven
(become usable)
Dalish Gloves
Located: West Brecilian Forest
(become usable)

Medium Gold Bar
Located: Arl of Denerim's Estate - Interior

Medium Silver Bar
Located: Anvil of the Void

Small Gold Bar
Located: Circle Tower

Small Silver Bar
Located: Haven Chantry

Wynne is an old mage who is fond of books, scrolls and wine.

Discovering Dragon's Blood: Potions, Tinctures, and Spicy Sauces
Located: Ruined Temple

Fancy Scroll
Located: Lower Ruins

The Guerrins of Ferelden
Located: Redcliffe Castle

The Rose of Orlais
Located: Circle Tower

The Search for the True Prophet
Located: Orzammar

Wine
Located: Various merchants

Oghren is a drunk dwarf who gives you lots of fun. So if you want him to be your best friend, you've gotta give him fuel.

Ale
Located: Sold by Bartenders

Alley King's Flagon
Located: Orzammar Commons

Chasind Sack Mead
Located: Ruined Temple

Garbolg's Backcountry Reserve
Found by Dog

Golden Scythe 4:90 Black
Located: Lothering

Legacy White Shear
Located: East Brecilian Forest

Sun Blonde Vint-1
Located: Circle Tower

Wilhelm's Special Brew
Located: Honnleath
Requires: The Stone Prisoner

Shale is a golem who likes to be pretty and to have pretty things. While giving it the crystals will decorate it, gems work best.

Remarkable Amethyst
Located: Alimar

Remarkable Diamond
Can be purchased from Garin.

Remarkable Emerald
Located: Figor(in the commons of Orzammar)

Remarkable Garnet
random drop

Remarkable Greenstone
Located: Village of Honnleath

Remarkable Malachite
Located: Circle Tower

Remarkable Ruby
Located: Denerim Alienage and Cadash Thaig

Remarkable Sapphire
Located: Legnar(in Dust Town)

Remarkable Topaz
Located: Faryn(in Frostback Mountains)

Loghain can join you late in the game, therefore you can tell what he likes, since there are only some things left out: maps.

Botanist's Map of Thedas
rare drop

Ancient Map of the Imperium
Located: Denerim Market District

Current Map of Ferelden
Located: Denerim Alienage

Map of the Anderfels
Located: Grey Warden Vault

Map of Occupied Ferelden
Located: Redcliffe Castle