Can you suggest me an anime?

K-On!
Angel Beats
Kampfer
Lucky Star
Pretty Cure
Toradora!
Mayo Chiki!
Mai-HIME
Love Hina
Oh My Goddess!
We without wings
Da Capo
Himegoto
Maria Holic
The Melancholy of Haruhi Suzumiya
Seirei tsukai no Blade Dance
Akuma no Riddle
Angelic Layer
Tokyo Mew Mew
Sailor Moon
Cardcaptor Sakura
Date A Live
Heaven's Lost Property
Air
Freezing
Gokukoku no Brynhildr
Infinite Stratos
To-Love RU
Otome wa Boku ni Koishiteru
Selector Infected WIXOSS
Mahou Shoujo Madoka Magica
Mermaid Melody
Shuffle!
Nisekoi
Kore wa zombie desu ka?
Coppelion

Boku no Pico

Ouran High School Host Club
Fruits Basket
Negima!?
Squid Girl
Sakura Wars

Kimi ni Todoke (picture)
Ouran High School Host Club
Shugo Chara
Tokyo Mew Mew
K-ON
Maid Sama
Vampire Knight

Elemental Gelade

Most sports anime are aimed towards girls, my personal favorite being Free!

1)Fruit Basket
2)Sakura Trick
3)Love Stage!
4)Seto no Hanayome
5)Chibi Vampire Karin
6)Chihayafuru
7)Mahou Shoujo Madoka Magica
8)Magical Girl Lyrical Nanoha
K-ON!
9)Kamisama Hajimemashita
10)Inu X Boku service