Try these curated collections

Happy line icon set. Included the icons as fun, enjoy, party, good mood, celebrate, success and more.
Simple Set of Testimonials Related Vector Line Icons. 
Contains such Icons as Customer Relationship Management, Feedback, Review, Emotion symbols and more.
Iconic illustration of satisfaction level. Range to assess the emotions of your content. Feedback in form of emotions. User experience. Customer feedback. Excellent, good, normal, bad, awful.
sad icon stock vector illustration flat design.
Premium set of Family line icons. Web symbols for web sites and mobile app. Modern vector symbols, isolated on a white background. Simple thin line signs.
Smile face line icon. Happy emoticon chat sign. Speech bubble symbol. Quality design element. Linear style smile face icon. Editable stroke. Vector
Friendship line icon set. Included icons as friend, relationship, buddy, greeting, love, care and more.
Joyful people Well-crafted Pixel Perfect Vector Thin Line Icons 30 2x Grid for Web Graphics and Apps. Simple Minimal Pictogram
Smile flat vector icon
User group icon. Management Business Team Leader Sign. Social Media, Teamwork concept. Customer icon. Love symbol. Health care management. Heart group icon. Wedding group. Happy business team icon
Cute animals cartoons line style icon set design, zoo life nature character childhood and adorable theme Vector illustration
Smile, linear style sign for mobile concept and web design. Symbol, logo illustration. Pixel perfect vector graphics
Praised and satisfied people Well-crafted Pixel Perfect Vector Thin Line Icons 30 2x Grid for Web Graphics and Apps. Simple Minimal Pictogram
Friendship and Love Vector Line Icons Set. Relationship, Mutual Understanding, Mutual Assistance, Interaction. Editable Stroke. 48x48 Pixel Perfect.
smile logo vector
Feedback and Survey related line icon set. Review and Rating vector linear icons.
Smile Icon
Testimonials related icons: thin vector icon set, black and white kit
Simple Set of Party Related Vector Line Icons. 
Contains such Icons as Bouquet of Flowers, Karaoke, Dj, Masquerade and more.
Editable Stroke. 48x48 Pixel Perfect.
Set of rating emotion faces
Smile icons
Smiley Face Vector Illustration. Happy Icon
Smile / Laugh Emoticon Icon Vector
Modern thin line icons set of conscious living, friends relations and emotions. Premium quality outline symbol collection. Simple mono linear pictogram pack Stroke vector logo concept for web graphics
Outline modern colorful background with line, happy icons, stars, hearts, diamond
Smile Icon Line
Smile Face Emoticon Icon Vector Symbol Illustration EPS 10
feedback. minimal thin line web icon set. simple vector illustration outline. concept for infographic, website or app.
kid icon kid symbol child icon child symbol child design kid design
Happy icon
Smile Icon in trendy flat style isolated on grey background. Happy face symbol for your web site design, logo, app, UI. Vector illustration, EPS10.
World Happiness Day Vector Template Design
vector illustration user experience feedback concept different mood smiley emoticons emoji icon positive, neutral and negative.
International Thank You Day Well-crafted Pixel Perfect Vector Thin Line Icons 30 2x Grid for Web Graphics and Apps. Simple Minimal Pictogram
Smile icon Logo Vector Template Design
People flat line icons set. Person walking, running, jumping, climbing stairs, happy man, company leader, friends hugs vector illustrations. Human outline signs. Pixel perfect. Editable Strokes.
Simple Set of Feedback Related Vector Line Icons. Contains such Icons as Star Rating, User Opinion, Testimonial and more. Editable Stroke. 48x48 Pixel Perfect.
Child icon. Happy young boy symbol. Person silhouette. Round colourful 11 buttons. Vector
Emoji icon set of satisfaction level. Simple feedback in form of emotions in flat style. Customer feedback. Range to assess the emotions Excellent, good, normal, bad, awful symbols Vector illustration
Emoticon set
Smiley faces icons set.Illustration eps10
Celebration Poses and Gestures. Artwork depicts people celebrating in various styles such as dabbing, fist pump, chest bump, raising hand, high five, throwing person in the air, and group celebration.
Smiley. Vector happy face
Vector Smile Icon Set
Happy people icon.
happy icon
Smile icon. Happy face chat symbol. Circle buttons with long shadow. 4 icons set. Vector
Smile icon
Smile face sign icon. Happy smiley chat symbol. Speech bubble. Circles and rounded squares 12 buttons. Vector
Happy emoticon chat sign. Smile face line icon. Speech bubble symbol. Colorful outline concept. Blue and orange thin line smile face icon. Vector
Friendship & Friend icon set in thin line style
Smile Icon. Happy face symbol for your web site design
Heart line icon. High quality black outline logo for web site design and mobile apps. Vector illustration on a white background.
Customer review line icon. Star, heart and positive emotions smile signs. Feedback concept symbols. Evaluation of service, sticker for chat, messenger. Labels of expressions of approval. Vector
Set of dancing Related Vector Line Icons. Includes such Icons as disco, dance, ballet, music, breakdancing, fireworks, slow dance, discolor
hand icon
Friendship and love vector lines icon set. Contains such Icons as heart, care, partnership and more. Editable Stroke
Emoji set. Set of thin line smile emoticons isolated on a white background. Vector illustration
Smiley Face Vector Illustration. Happy Icon
smile logo vector
Vector illustration of blue icon set in flat line style. Linear cute and happy people. Graphic design concept of Emoji and Avatar. Use in Web Project and Applications Outline isolated object.

Search for "happiness icon" in these categories

Lover, hug, friendship, relationship icon set in thin line style
Happy family solid icon. Hugging people group with heart shape symbol, glyph style pictogram on white background. Relationship sign for mobile concept and web design. Vector graphics
Collection of party related line icons. Editable stroke
Vector logo. Smile face sign pin icon. Happy smiley chat symbol
Smiley icons. Set of vector smile emoticons.
Happy family icon multicolored in simple figures. Two children, dad and mom stand together. Vector can be used as logotype.
Emoticons mood scale
man with raised arms icon
Family vector icons set in thin line style
Goal and achievement icon set. Included the icons as achieve, success, target, roadmap, finish, celebrate, happy and more.
Feedback concept design, emotions scale background and banner
Set of Emoticons. Emoji social network reactions icon - vector
Emoticon icon, emoji isolated on white background
modern colorful abstract background with sun and rainbow, outline, stroke icons
Happy smile - face chat speech bubble icon. Template for design.
famous vector round yellow cartoon bubble emoticons for social media Facebook Instagram chat comment reactions, icon template face tear, smile, sad, Lol, happy, angry laughter emoji character message
Smiling emoticon. Emoji of positive feelings. Happy face. Painted emotion icon. Grunge brush strokes design. Distressed texture. Vector illustration. For social networks, internet messages
Outline web icon set - Party, Birthday, Holidays
Friend Friendship Relationship Teammate Teamwork Society Icon Sign Symbol Pictogram
Set of smiley icons: different emotions
Lineo Editable Stroke - Feedback and Testimonials line icons
Happy customer, satisfaction clients, concept design
Smiling emoticon with happy eyes and rosy cheeks
Smile face sign icon. Happy smiley with hairstyle chat symbol. Circle, star, speech bubble and square buttons. Award medal with check mark. Thank you ribbon. Vector
Happy world smile day banner vector illustration greeting design on yellow background
Customer Experience Line Icon. Client Satisfaction symbol. Customer Relationship Management. Isolated UI element.
Set of Icons - Silhouette family. woman, man, kid, child, boy, girl, father, mother, parents symbol. People vector.
Customer satisfaction or feedback icon.  Flat style icon with long shadow. Happy customer icon. Perfection concept. Good mood icon. Happy computer user sign
Set of People icons, such as Multitasking gesture, Heart target, Identification card, Sun protection, Love couple, Wash hands, Safe time, Journey path, Teamwork, Hold heart, Love message.
Nursing Icons
Logo Playfully Icon Element Template Design Logos
MEGA set of doodles of Back to school, Arrow ,Business, Social shopping elements, tree, Info, Internet, Universal, Party, Human, Creative, City scape, Sport, summer, Frame, Font, Banner, Heart,Music
Set of 24 Feedback and Review icons in line style. Star Rating, Emotion symbols. Vector illustration
smile icon; happy face outline isolated on white background. vector illustration
icon face, vector
Good job
Mood, can be used for web pages, banners, mood-vector maps
gift box set icons
Simple happiness icons set. Universal happiness icons to use for web and mobile UI, set of basic happiness elements
Heart. Symbol of love, romantic, health, cardio. Isolated vector icon, sign, emblem, pictogram. Flat style for design, web, logo or UI. Eps10
Emoticon Icon In Trendy  Design Vector Eps 10
Vector icons of smiling faces with long shadows
Hand drawn emojis faces. Doddle emoticons sketch, thin line icons of happy sad face, vector illustration
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