50 Sister-in-Law Quotes for the Bonus Sister in Your Life

These sister-in-law quotes really express the special bond between a woman and the woman who marries her brother (or sister).

A sister-in-law can be a gift for everyone who ever wanted a sister, but had only brothers.

If you are looking for the perfect sister-in-law quotes to celebrate your sister-in-law’s birthday or another special occasion you have come to the right place! She might not be related to you by blood, but you can still express how thankful you are she joined your family.

These inspirational quotes about the special bond between sisters will move her for sure. Sisters are a blessing, whether they are by blood or marriage.

Keep reading through these sister-in-law quotes to find the one that expresses your feelings for your sibling’s spouse perfectly!

Don’t forget to also check out these sisterhood quotes to share with your tribe.

Sister-in-law quotes from unknown origins

1. “Sister-in-law by chance, friends by choice.” — Unknown

2. “You are more than a sister-in-law, you are my sister.” — Unknown

3. “Sisters-in-law are like the other women in a relationship.” — Unknown

4. “On the day of the wedding, our families will blend, you’ll be my sister and also my friend.” — Unknown

5. “Sister-in-law—a lifetime supply of love and support traditionally given to a bride on her wedding day.” — Unknown

6. “Your sister isn’t always your blood relation, sometimes it’s that close friend who understands you, loves you, and has always got your back.” — Unknown

7. “Our friendship grows, yet stays the same, for sisters-in-law we became. Yet she is so much more, for she has become a sister that I adore.” — Unknown

8. “I am so thankful that you are my sister-in-law. I have learned so much from you and I can honestly say that you are a blessing to our family.” — Unknown

9. “Even though we live miles apart, you will always be dear to my heart. So, to you, a special love I send, to not just my sister-in-law, but also my friend.” — Unknown

10. “Sister-in-Law, you are someone that I can talk to, someone I can lean on, and someone that understands me. You are much more than just my brother’s wife, you are my friend.” — Unknown

Amusing sister-in-law quotes

11. “Happiness is annoying your sister-in-law.” — Unknown

12. “The greatest gift my brother ever gave me was you.” — Unknown

13. “If the marriage were valid, she’d be your sister-in-law.” — Cassandra Clare

14. “In the cookies of life, sisters-in-law are chocolate chips.” — Unknown

15. “I am writing a book on my sister in law which is called jealous.” — Unknown

16. “If you want to know how old a woman is … ask her sister in law.” — E.W. Howe

17. “I smile because you are my sister-in-law. I laugh because you are married to my brother.” — Unknown

18. “I smile because you’re my sister-in-law, and I laugh because there’s nothing I can do about it!” — Unknown

19. “I started walking at night with my sister-in-law which has been amazing. It really does something for you.” — Ashley Scott

20. “Happiness is going shopping with my sister-in-law. She’s got the traits of my husband that I like, with the added bonus of her love of shopping!” — Unknown

Sentimental sister-in-law quotes

21. “Sisters-in-laws are a special kind of family.” — Unknown

22. “By luck we became sisters, by love we became friends.” — Unknown

23. “If I didn’t have you as a sister-in-law, I’d choose you as a friend.” — Unknown

24. “I’m so glad that I have a wonderful sister-in-law like you in my life.” — Unknown

25. “When I think of all the blessings in my life, my sister in law is right there at the very top of the list!” — Unknown

26. “They can call you sister in law or my brother’s wife it doesn’t matter you’re a special person in my life you’re like my sister.” — Unknown

27. “Having a sister-in-law like you makes life so much easier. It’s like I didn’t just gain a partner in life, but I also got a new sister that I can talk to about anything!” — Unknown

28. “No one relationship is without its share of problems but with you, I’ve seen a sister ready to form a bond with me with all trueness of heart. Thanks, dear sister in law.” — Unknown

29. “Sister-in-Law, you are someone that I can talk to, someone I can lean on, and someone that understands me. You are much more than just my brother’s wife, you are my friend.” — Unknown

30. “To lose a brother is to lose someone with whom you can share the experience of growing old, who is supposed to bring you a sister-in-law and nieces and nephews, creatures who people the tree of your life and give it new branches.” — Yann Martel

Appreciative sister-in-law quotes

31. “You’re the best sister-in-law, and I really love you!” — Unknown

32. “A sister-in-law can mean so much in so little time.” — Unknown

33. “Having a sister-in-law means you always have a backup.” — Unknown

34. “Having a bond with your sister-in-law is something money can’t buy.” — Unknown

35. “I mean, I don’t really understand why you picked my brother, but I’m glad you did.” — Unknown

36. “The only thing better than having you as my sister-in-law is my children having you as their aunt.” — Unknown

37. “I don’t know who is luckier, my brother because you are his wife or me because you are my sister-in-law.” — Unknown

38. “Sister-in-law—the one who can get mad at only for a short period because you have important stuff to tell them.” — Unknown

39. “Sisters-in-law are like muffins in a bad day. They make you all warm and fluffy inside, chasing the bad vibes away.” — Unknown

40. “I like your annoying behavior, I enjoy your silly tantrums, and I get amused by your crazy antics all because you are my cute sister-in-law.” — Unknown

Sister-in-law quotes about sisterhood

41. “There is no place for secrets in sisterhood.” — Erin Forbes

42. “Sisters make the best friends in the world.” — Marilyn Monroe

43. “Sisters are different flowers from the same garden.” — Unknown

44. “Sister to sister we will always be, a couple of nuts off the family tree.” — Unknown

45. “The only person I lie to is my little sister, when I steal her clothes.” — Kendall Jenner

46. “Is solace anywhere more comforting than that in the arms of a sister?” — Alice Walker

47. “Sisters function as safety nets in a chaotic world simply by being there for each other.” — Carol Saline

48. “Don’t talk about my sister; don’t play with me about my sister. If you do, you’ll see another side of me.” — Beyoncé

49. “Having a sister is like having a best friend you can’t get rid of. You know whatever you do, they’ll still be there.” — Amy Li

50. “Acquaintances were always on their best behavior, but sisters loved each other enough to say anything.” — Lauren Weisberger

Which of these sister-in-law quotes is your favorite?

Your sister-in-law will not only be someone special to you. She will also be an aunt to your children if you choose to have any. And aunts are really the best thing ever!

She will also be like another daughter to your parents. If she loves your sibling and brings joy to your life then let her know.

If you don’t really get along with your sister-in-law maybe these sister-in-law quotes and sayings will inspire you to build a better relationship with her. After all, she is the person your spouse has promised to love and cherish forever.

Do you have a sister-in-law? What are some of your fondest memories or experiences together? Let us know in the comment section below!